diff --git a/patacrep/authors.py b/patacrep/authors.py
index b902bb02..84613a1a 100644
--- a/patacrep/authors.py
+++ b/patacrep/authors.py
@@ -225,9 +225,12 @@ def processauthors(authors_string, after=None, ignore=None, sep=None):
                 )
             ]
 
-def process_listauthors(authors_list):
+def process_listauthors(authors_list, after=None, ignore=None, sep=None):
     """Process a list of authors, and return the list of resulting authors."""
-    return sum([
-        processauthors(string)
-        for string in authors_list
-        ])
+    authors = []
+    for sublist in [
+            processauthors(string, after, ignore, sep)
+            for string in authors_list
+        ]:
+        authors.extend(sublist)
+    return authors
diff --git a/patacrep/build.py b/patacrep/build.py
index facf51e8..a16daca2 100644
--- a/patacrep/build.py
+++ b/patacrep/build.py
@@ -10,7 +10,7 @@ from subprocess import Popen, PIPE, call
 
 from patacrep import __DATADIR__, authors, content, errors, files
 from patacrep.index import process_sxd
-from patacrep.templates import TexRenderer
+from patacrep.templates import TexBookRenderer
 from patacrep.songs import DataSubpath
 
 LOGGER = logging.getLogger(__name__)
@@ -87,7 +87,7 @@ class Songbook(object):
         # Updating configuration
         config = DEFAULT_CONFIG.copy()
         config.update(self.config)
-        renderer = TexRenderer(
+        renderer = TexBookRenderer(
                 config['template'],
                 config['datadir'],
                 config['lang'],
diff --git a/patacrep/data/examples/example-all.sb b/patacrep/data/examples/example-all.sb
index 0b1252aa..ca35b622 100644
--- a/patacrep/data/examples/example-all.sb
+++ b/patacrep/data/examples/example-all.sb
@@ -7,6 +7,7 @@
   ],
 "booktype" : "chorded",
 "lang" : "french",
+"encoding": "utf8",
 "authwords" : {
   "sep" : ["and", "et"]
   },
diff --git a/patacrep/data/examples/songs/greensleeves.sgc b/patacrep/data/examples/songs/greensleeves.sgc
index 7d6b1000..a039cc74 100644
--- a/patacrep/data/examples/songs/greensleeves.sgc
+++ b/patacrep/data/examples/songs/greensleeves.sgc
@@ -1,7 +1,9 @@
 {language : english}
 {columns :  2}
 { title : Greensleeves}
+{ title : Un sous titre}
 {artist: Traditionnel}
+{artist: Prénom Nom}
 {cover : traditionnel }
 {album :Angleterre}
 
@@ -10,7 +12,7 @@
 
 A[Am]las, my love, ye [G]do me wrong
 To [Am]cast me oft dis[E]curteously
-And [Am]{I have} loved [G]you so long
+And [Am]I have loved [G]you so long
 De[Am]lighting [E]in your [Am]companie
 
 {start_of_chorus}
@@ -35,8 +37,15 @@ The [Am]cloth so fine as [E]fine might be
 I [Am]gave thee jewels [G]for thy chest
 And [Am]all this [E]cost I [Am]spent on thee
 
+{c:test of comment}
+
+{gc: test of guitar comment}
+
+{image: traditionnel}
 
 Thy [Am]smock of silke, both [G]faire and white
 With [Am]gold embrodered [E]gorgeously
 Thy [Am]peticote of [G]sendall right
-And [Am]this I [E]bought thee [Am]gladly
\ No newline at end of file
+And [Am]this I [E]bought thee [Am]gladly
+
+
diff --git a/patacrep/songs/__init__.py b/patacrep/songs/__init__.py
index e8931d34..c85e935a 100644
--- a/patacrep/songs/__init__.py
+++ b/patacrep/songs/__init__.py
@@ -8,7 +8,7 @@ import os
 import pickle
 import re
 
-from patacrep.authors import processauthors
+from patacrep.authors import process_listauthors
 from patacrep import files, encoding
 
 LOGGER = logging.getLogger(__name__)
@@ -130,13 +130,12 @@ class Song(Content):
                         ))
 
         # Data extraction from the latex song
-        self.data = self.DEFAULT_DATA
-        self.data['@path'] = self.fullpath
-        self.data.update(self.parse(
-                encoding.open_read(self.fullpath).read()
-                ))
-        self.titles = self.data['@titles']
-        self.languages = self.data['@languages']
+        self.titles = []
+        self.data = {}
+        self.cached = None
+        self.parse(config)
+
+        # Post processing of data
         self.datadir = datadir
         self.unprefixed_titles = [
                 unprefixed_title(
@@ -146,17 +145,12 @@ class Song(Content):
                 for title
                 in self.titles
                 ]
-        self.subpath = subpath
-        self.authors = processauthors(
+        self.authors = process_listauthors(
                 self.authors,
                 **config["_compiled_authwords"]
                 )
 
         # Cache management
-
-        #: Special attribute to allow plugins to store cached data
-        self.cached = None
-
         self._version = self.CACHE_VERSION
         self._write_cache()
 
@@ -181,11 +175,24 @@ class Song(Content):
         Arguments:
         - output: Name of the output file.
         """
-        return NotImplementedError()
-
-    def parse(self, content): # pylint: disable=no-self-use, unused-argument
-        """Parse song, and return a dictionary of its data."""
-        return NotImplementedError()
+        raise NotImplementedError()
+
+    def parse(self, config): # pylint: disable=no-self-use
+        """Parse song.
+
+        It set the following attributes:
+
+        - titles: the list of (raw) titles. This list will be processed to
+          remove prefixes.
+        - languages: the list of languages used in the song, as languages
+          recognized by the LaTeX babel package.
+        - authors: the list of (raw) authors. This list will be processed to
+          'clean' it (see function :func:`patacrep.authors.processauthors`).
+        - data: song metadata. Used (among others) to sort the songs.
+        - cached: additional data that will be cached. Thus, data stored in
+          this attribute must be picklable.
+        """
+        raise NotImplementedError()
 
 def unprefixed_title(title, prefixes):
     """Remove the first prefix of the list in the beginning of title (if any).
diff --git a/patacrep/songs/chordpro/__init__.py b/patacrep/songs/chordpro/__init__.py
index e76960ac..cd3f0d3b 100644
--- a/patacrep/songs/chordpro/__init__.py
+++ b/patacrep/songs/chordpro/__init__.py
@@ -1,21 +1,50 @@
+"""Chordpro parser"""
 
-from patacrep import encoding
+from jinja2 import Environment, FileSystemLoader
+import pkg_resources
+import os
+
+from patacrep import encoding, files
 from patacrep.songs import Song
 from patacrep.songs.chordpro.syntax import parse_song
+from patacrep.templates import TexRenderer
 
 class ChordproSong(Song):
     """Chordpros song parser."""
 
-    def parse(self):
+    def parse(self, config):
         """Parse content, and return the dictinory of song data."""
         with encoding.open_read(self.fullpath, encoding=self.encoding) as song:
-            self.data = parse_song(song.read(), self.fullpath)
-        print(type(self.data), self.data)
-        import sys; sys.exit(1)
-        self.languages = self.data['@languages']
-        del self.data['@languages']
-        self.authors = self.data['by']
-        del self.data['by']
+            song = parse_song(song.read(), self.fullpath)
+        self.authors = song.authors
+        self.titles = song.titles
+        self.languages = song.get_directives('language')
+        self.data = dict([meta.as_tuple for meta in song.meta])
+        self.cached = {
+                'song': song,
+                }
+        #: Main language
+        self.language = song.get_directive('language', config['lang'])
+
+    def tex(self, output):
+        context = {
+            'language': self.language,
+            'columns': self.cached['song'].get_directive('columns', 1),
+            "path": files.relpath(self.fullpath, os.path.dirname(output)),
+            "titles": r"\\".join(self.titles),
+            "authors": ", ".join(["{} {}".format(name[1], name[0]) for name in self.authors]),
+            "metadata": self.data,
+            "beginsong": self.cached['song'].meta_beginsong(),
+            "content": self.cached['song'].content,
+            }
+        return TexRenderer(
+                template="chordpro.tex",
+                encoding='utf8',
+                texenv=Environment(loader=FileSystemLoader(os.path.join(
+                        os.path.abspath(pkg_resources.resource_filename(__name__, 'data')),
+                        'latex'
+                    ))),
+                ).template.render(context)
 
 SONG_PARSERS = {
     'sgc': ChordproSong,
diff --git a/patacrep/songs/chordpro/ast.py b/patacrep/songs/chordpro/ast.py
index 05affee6..47ffb8df 100644
--- a/patacrep/songs/chordpro/ast.py
+++ b/patacrep/songs/chordpro/ast.py
@@ -1,18 +1,37 @@
-# -*- coding: utf-8 -*-
 """Abstract Syntax Tree for ChordPro code."""
 
+# pylint: disable=too-few-public-methods
+
 import functools
+import logging
+import os
+
+LOGGER = logging.getLogger()
 
 def _indent(string):
+    """Return and indented version of argument."""
     return "\n".join(["  {}".format(line) for line in string.split('\n')])
 
+#: List of properties that are to be displayed in the flow of the song (not as
+#: metadata at the beginning or end of song.
 INLINE_PROPERTIES = {
-    "lilypond",
+    "partition",
     "comment",
     "guitar_comment",
     "image",
     }
 
+#: List of properties that are listed in the `\beginsong` LaTeX directive.
+BEGINSONG_PROPERTIES = {
+    "album",
+    "copyright",
+    "cov",
+    "vcov",
+    "tag",
+    }
+
+#: Some directive have alternative names. For instance `{title: Foo}` and `{t:
+#: Foo}` are equivalent.
 DIRECTIVE_SHORTCUTS = {
     "t": "title",
     "st": "subtitle",
@@ -20,25 +39,40 @@ DIRECTIVE_SHORTCUTS = {
     "by": "artist",
     "c": "comment",
     "gc": "guitar_comment",
+    "cover": "cov",
+    "vcover": "vcov",
     }
 
 def directive_name(text):
-    if text in DIRECTIVE_SHORTCUTS:
-        return DIRECTIVE_SHORTCUTS[text]
-    return text
+    """Return name of the directive, considering eventual shortcuts."""
+    return DIRECTIVE_SHORTCUTS.get(text, text)
 
 
 class AST:
+    """Generic object representing elements of the song."""
+    _template = None
     inline = False
 
+    def template(self, extension):
+        """Return the template to be used to render this object."""
+        if self._template is None:
+            LOGGER.warning("No template defined for {}.".format(self.__class__))
+            base = "error"
+        else:
+            base = self._template
+        return "content_{}.{}".format(base, extension)
+
 class Line(AST):
     """A line is a sequence of (possibly truncated) words, spaces and chords."""
 
+    _template = "line"
+
     def __init__(self):
         super().__init__()
         self.line = []
 
     def prepend(self, data):
+        """Add an object at the beginning of line."""
         self.line.insert(0, data)
         return self
 
@@ -46,6 +80,7 @@ class Line(AST):
         return "".join([str(item) for item in self.line])
 
     def strip(self):
+        """Remove spaces at the beginning and end of line."""
         while True:
             if not self.line:
                 return self
@@ -63,6 +98,7 @@ class LineElement(AST):
 
 class Word(LineElement):
     """A chunk of word."""
+    _template = "word"
 
     def __init__(self, value):
         super().__init__()
@@ -73,6 +109,7 @@ class Word(LineElement):
 
 class Space(LineElement):
     """A space between words"""
+    _template = "space"
 
     def __init__(self):
         super().__init__()
@@ -83,6 +120,8 @@ class Space(LineElement):
 class Chord(LineElement):
     """A chord."""
 
+    _template = "chord"
+
     def __init__(self, value):
         super().__init__()
         self.value = value
@@ -92,59 +131,95 @@ class Chord(LineElement):
 
 class Verse(AST):
     """A verse (or bridge, or chorus)"""
+    _template = "verse"
     type = "verse"
     inline = True
 
-    def __init__(self, block=None):
+    def __init__(self):
         super().__init__()
-        self.lines = [] # TODO check block
+        self.lines = []
 
     def prepend(self, data):
+        """Add data at the beginning of verse."""
         self.lines.insert(0, data)
         return self
 
     def __str__(self):
         return '{{start_of_{type}}}\n{content}\n{{end_of_{type}}}'.format(
-                type = self.type,
-                content = _indent("\n".join([str(line) for line in self.lines])),
+                type=self.type,
+                content=_indent("\n".join([str(line) for line in self.lines])),
                 )
 
 class Chorus(Verse):
+    """Chorus"""
     type = 'chorus'
 
 class Bridge(Verse):
+    """Bridge"""
     type = 'bridge'
 
 class Song(AST):
-    """A song"""
-
+    r"""A song
+
+    Attributes:
+        - content: the song content, as a list of objects `foo` such that
+          `foo.inline` is True.
+        - titles: The list of titles
+        - language: The language (if set), None otherwise
+        - authors: The list of authors
+        - meta_beginsong: The list of directives that are to be set in the
+          `\beginsong{}` LaTeX directive.
+        - meta: Every other metadata.
+        """
+
+    #: Some directives are added to the song using special methods.
     METADATA_TYPE = {
         "title": "add_title",
         "subtitle": "add_subtitle",
-        "language": "add_language",
         "artist": "add_author",
+        "key": "add_key",
         }
 
-    def __init__(self):
+    #: Some directives have to be processed before being considered.
+    PROCESS_DIRECTIVE = {
+            "cov": "_process_relative",
+            "partition": "_process_relative",
+            "image": "_process_relative",
+            }
+
+    def __init__(self, filename):
         super().__init__()
         self.content = []
         self.meta = []
         self._authors = []
         self._titles = []
         self._subtitles = []
-        self._languages = set()
+        self._keys = []
+        self.filename = filename
 
     def add(self, data):
+        """Add an element to the song"""
+        if isinstance(data, Directive):
+            # Some directives are preprocessed
+            name = directive_name(data.keyword)
+            if name in self.PROCESS_DIRECTIVE:
+                data = getattr(self, self.PROCESS_DIRECTIVE[name])(data)
+
         if data is None:
+            # New line
             if not (self.content and isinstance(self.content[0], Newline)):
                 self.content.insert(0, Newline())
         elif isinstance(data, Line):
+            # Add a new line, maybe in the current verse.
             if not (self.content and isinstance(self.content[0], Verse)):
                 self.content.insert(0, Verse())
             self.content[0].prepend(data.strip())
         elif data.inline:
+            # Add an object in the content of the song.
             self.content.insert(0, data)
         elif isinstance(data, Directive):
+            # Add a metadata directive. Some of them are added using special
+            # methods listed in ``METADATA_TYPE``.
             name = directive_name(data.keyword)
             if name in self.METADATA_TYPE:
                 getattr(self, self.METADATA_TYPE[name])(*data.as_tuple)
@@ -155,12 +230,13 @@ class Song(AST):
         return self
 
     def str_meta(self):
+        """Return an iterator over *all* metadata, as strings."""
         for title in self.titles:
             yield "{{title: {}}}".format(title)
-        for language in sorted(self.languages):
-            yield "{{language: {}}}".format(language)
         for author in self.authors:
             yield "{{by: {}}}".format(author)
+        for key in sorted(self.keys):
+            yield "{{key: {}}}".format(str(key))
         for key in sorted(self.meta):
             yield str(key)
 
@@ -175,32 +251,84 @@ class Song(AST):
 
 
     def add_title(self, __ignored, title):
+        """Add a title"""
         self._titles.insert(0, title)
 
     def add_subtitle(self, __ignored, title):
+        """Add a subtitle"""
         self._subtitles.insert(0, title)
 
     @property
     def titles(self):
+        """Return the list of titles (and subtitles)."""
         return self._titles + self._subtitles
 
     def add_author(self, __ignored, title):
+        """Add an auhor."""
         self._authors.insert(0, title)
 
     @property
     def authors(self):
+        """Return the list of (raw) authors."""
         return self._authors
 
-    def add_language(self, __ignored, language):
-        self._languages.add(language)
+    def get_directive(self, key, default=None):
+        """Return the first directive with a given key."""
+        for directive in self.meta:
+            if directive.keyword == directive_name(key):
+                return directive.argument
+        return default
+
+    def get_directives(self, key):
+        """Return the list of directives with a given key."""
+        values = []
+        for directive in self.meta:
+            if directive.keyword == directive_name(key):
+                values.append(directive.argument)
+        return values
+
+    def add_key(self, __ignored, argument):
+        """Add a new {key: foo: bar} directive."""
+        key, *argument = argument.split(":")
+        self._keys.append(Directive(
+            key.strip(),
+            ":".join(argument).strip(),
+            ))
 
     @property
-    def languages(self):
-        return self._languages
-
-
+    def keys(self):
+        """Return the list of keys.
+
+        That is, directive that where given of the form ``{key: foo: bar}``.
+        """
+        return self._keys
+
+    def meta_beginsong(self):
+        r"""Return the meta information to be put in \beginsong."""
+        for directive in BEGINSONG_PROPERTIES:
+            if self.get_directive(directive) is not None:
+                yield (directive, self.get_directive(directive))
+        for (key, value) in self.keys:
+            yield (key, value)
+
+
+    def _process_relative(self, directive):
+        """Return the directive, in which the argument is given relative to file
+
+        This argument is expected to be a path (as a string).
+        """
+        return Directive(
+            directive.keyword,
+            os.path.join(
+                os.path.dirname(self.filename),
+                directive.argument,
+                ),
+            )
 
 class Newline(AST):
+    """New line"""
+    _template = "newline"
+
     def __str__(self):
         return ""
 
@@ -208,22 +336,38 @@ class Newline(AST):
 class Directive(AST):
     """A directive"""
 
-    def __init__(self):
+    def __init__(self, keyword="", argument=None):
         super().__init__()
-        self.keyword = ""
-        self.argument = None
+        self._keyword = None
+        self.keyword = keyword
+        self.argument = argument
+
+    @property
+    def _template(self):
+        """Name of the template to use to render this keyword.
+
+        This only applies if ``self.inline == True``
+        """
+        return self.keyword
 
     @property
     def keyword(self):
+        """Keyword of the directive."""
         return self._keyword
 
     @property
     def inline(self):
+        """True iff this directive is to be rendered in the flow on the song.
+        """
         return self.keyword in INLINE_PROPERTIES
 
     @keyword.setter
     def keyword(self, value):
-        self._keyword = value.strip()
+        """self.keyword setter
+
+        Replace keyword by its canonical name if it is a shortcut.
+        """
+        self._keyword = directive_name(value.strip())
 
     def __str__(self):
         if self.argument is not None:
@@ -236,6 +380,7 @@ class Directive(AST):
 
     @property
     def as_tuple(self):
+        """Return the directive as a tuple."""
         return (self.keyword, self.argument)
 
     def __eq__(self, other):
@@ -254,6 +399,7 @@ class Tab(AST):
         self.content = []
 
     def prepend(self, data):
+        """Add an element at the beginning of content."""
         self.content.insert(0, data)
         return self
 
diff --git a/patacrep/songs/chordpro/data/latex/chordpro.tex b/patacrep/songs/chordpro/data/latex/chordpro.tex
new file mode 100644
index 00000000..77784a67
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/chordpro.tex
@@ -0,0 +1,27 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% ((path))
+
+(* if language is defined *)
+\selectlanguage{((language))}
+(* endif *)
+\songcolumns{((metadata.columns))}
+
+\beginsong{((titles))}[
+  by={((authors))},
+  (* for (key, argument) in beginsong *)
+    ((key))={((argument))},
+  (* endfor *)
+  ]
+
+  (* if (metadata.cov is defined) or (metadata.vcov is defined) *)
+  \cover
+  (* endif *)
+
+  (* for content in content *)
+        (* include content.template("tex") *)
+  (* endfor *)
+
+\endsong
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
diff --git a/patacrep/songs/chordpro/data/latex/content_chord.tex b/patacrep/songs/chordpro/data/latex/content_chord.tex
new file mode 100644
index 00000000..bd2bd8b8
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_chord.tex
@@ -0,0 +1 @@
+\[(( content.value ))]
diff --git a/patacrep/songs/chordpro/data/latex/content_comment.tex b/patacrep/songs/chordpro/data/latex/content_comment.tex
new file mode 100644
index 00000000..46fb1f24
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_comment.tex
@@ -0,0 +1 @@
+\textnote{(( content.argument ))}
diff --git a/patacrep/songs/chordpro/data/latex/content_error.tex b/patacrep/songs/chordpro/data/latex/content_error.tex
new file mode 100644
index 00000000..a41faeb5
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_error.tex
@@ -0,0 +1,3 @@
+
+ERROR : Template not found for \verb+(( content.__class__))+. See the logs for details.
+
diff --git a/patacrep/songs/chordpro/data/latex/content_guitar_comment.tex b/patacrep/songs/chordpro/data/latex/content_guitar_comment.tex
new file mode 100644
index 00000000..29c40ebd
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_guitar_comment.tex
@@ -0,0 +1 @@
+\musicnote{(( content.argument ))}
diff --git a/patacrep/songs/chordpro/data/latex/content_image.tex b/patacrep/songs/chordpro/data/latex/content_image.tex
new file mode 100644
index 00000000..336233d5
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_image.tex
@@ -0,0 +1 @@
+\image{(( content.argument ))}
diff --git a/patacrep/songs/chordpro/data/latex/content_line.tex b/patacrep/songs/chordpro/data/latex/content_line.tex
new file mode 100644
index 00000000..9b0c6af1
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_line.tex
@@ -0,0 +1 @@
+(* for content in content.line *)(* include content.template("tex") *)(* endfor *)
diff --git a/patacrep/songs/chordpro/data/latex/content_newline.tex b/patacrep/songs/chordpro/data/latex/content_newline.tex
new file mode 100644
index 00000000..139597f9
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_newline.tex
@@ -0,0 +1,2 @@
+
+
diff --git a/patacrep/songs/chordpro/data/latex/content_partition.tex b/patacrep/songs/chordpro/data/latex/content_partition.tex
new file mode 100644
index 00000000..98bfed57
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_partition.tex
@@ -0,0 +1 @@
+\lilypond{((content.argument))}
diff --git a/patacrep/songs/chordpro/data/latex/content_space.tex b/patacrep/songs/chordpro/data/latex/content_space.tex
new file mode 100644
index 00000000..8d1c8b69
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_space.tex
@@ -0,0 +1 @@
+ 
diff --git a/patacrep/songs/chordpro/data/latex/content_verse.tex b/patacrep/songs/chordpro/data/latex/content_verse.tex
new file mode 100644
index 00000000..4b4cecbd
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_verse.tex
@@ -0,0 +1,7 @@
+\begin{(( content.type ))}
+    (* for content in content.lines *)
+        (* include content.template("tex") *)
+
+    (* endfor *)
+\end{(( content.type ))}
+
diff --git a/patacrep/songs/chordpro/data/latex/content_word.tex b/patacrep/songs/chordpro/data/latex/content_word.tex
new file mode 100644
index 00000000..d9dd7a30
--- /dev/null
+++ b/patacrep/songs/chordpro/data/latex/content_word.tex
@@ -0,0 +1 @@
+(( content.value ))
diff --git a/patacrep/songs/chordpro/lexer.py b/patacrep/songs/chordpro/lexer.py
index 726c24e4..58792fa2 100644
--- a/patacrep/songs/chordpro/lexer.py
+++ b/patacrep/songs/chordpro/lexer.py
@@ -26,6 +26,7 @@ tokens = (
 
 class ChordProLexer:
     """ChordPro Lexer class"""
+    # pylint: disable=too-many-public-methods
 
     tokens = tokens
 
@@ -44,18 +45,23 @@ class ChordProLexer:
     t_directive_KEYWORD = r'[a-zA-Z_]+'
     t_directiveargument_TEXT = r'[^}]+'
 
-    def t_SOC(self, token):
+    @staticmethod
+    def t_SOC(token):
         r'{(soc|start_of_chorus)}'
         return token
-    def t_EOC(self, token):
+
+    @staticmethod
+    def t_EOC(token):
         r'{(eoc|end_of_chorus)}'
         return token
 
-    def t_SOB(self, token):
+    @staticmethod
+    def t_SOB(token):
         r'{(sob|start_of_bridge)}'
         return token
 
-    def t_EOB(self, token):
+    @staticmethod
+    def t_EOB(token):
         r'{(eob|end_of_bridge)}'
         return token
 
@@ -69,7 +75,8 @@ class ChordProLexer:
         self.lexer.pop_state()
         return token
 
-    def t_tablature_SPACE(self, token):
+    @staticmethod
+    def t_tablature_SPACE(token):
         r'[ \t]+'
         return token
 
@@ -96,11 +103,11 @@ class ChordProLexer:
         r'[^{}\n\][\t ]+'
         return token
 
-    def t_LBRACKET(self, token):
+    def t_LBRACKET(self, __token):
         r'\['
         self.lexer.push_state('chord')
 
-    def t_chord_RBRACKET(self, token):
+    def t_chord_RBRACKET(self, __token):
         r'\]'
         self.lexer.pop_state()
 
@@ -149,6 +156,6 @@ class ChordProLexer:
         LOGGER.error("Illegal character '{}' in directive..".format(token.value[0]))
         token.lexer.skip(1)
 
-    @staticmethod
-    def t_directiveargument_error(token):
-        return t_directive_error(token)
+    def t_directiveargument_error(self, token):
+        """Manage errors"""
+        return self.t_directive_error(token)
diff --git a/patacrep/songs/chordpro/syntax.py b/patacrep/songs/chordpro/syntax.py
index 32fa2c42..8a964564 100644
--- a/patacrep/songs/chordpro/syntax.py
+++ b/patacrep/songs/chordpro/syntax.py
@@ -6,7 +6,6 @@ import ply.yacc as yacc
 
 from patacrep.errors import SongbookError
 from patacrep.songs.chordpro import ast
-from patacrep.songs.chordpro import ast
 from patacrep.songs.chordpro.lexer import tokens, ChordProLexer
 
 LOGGER = logging.getLogger()
@@ -50,14 +49,13 @@ class Parser:
                 )
                 )
 
-    @staticmethod
-    def p_song(symbols):
+    def p_song(self, symbols):
         """song : block song
                 | empty
         """
         #if isinstance(symbols[1], str):
         if len(symbols) == 2:
-            symbols[0] = ast.Song()
+            symbols[0] = ast.Song(self.filename)
         else:
             symbols[0] = symbols[2].add(symbols[1])
 
@@ -249,19 +247,13 @@ class Parser:
         """empty :"""
         symbols[0] = None
 
-def lex_song(content):
-    # TODO delete
-    lex = ChordProLexer().lexer
-    lex.input(content)
-    while 1:
-        tok = lex.token()
-        if not tok: break
-        print(tok)
-
 def parse_song(content, filename=None):
     """Parse song and return its metadata."""
-    return yacc.yacc(module=Parser(filename)).parse(
-                     content,
+    return yacc.yacc(
+            module=Parser(filename),
                      debug=0,
+                     write_tables=0,
+            ).parse(
+                     content,
                      lexer=ChordProLexer().lexer,
                      )
diff --git a/patacrep/songs/chordpro/test/__init__.py b/patacrep/songs/chordpro/test/__init__.py
index e69de29b..b73d2af8 100644
--- a/patacrep/songs/chordpro/test/__init__.py
+++ b/patacrep/songs/chordpro/test/__init__.py
@@ -0,0 +1 @@
+"""Test for chordpro parser"""
diff --git a/patacrep/songs/chordpro/test/greensleeves.txt b/patacrep/songs/chordpro/test/greensleeves.txt
index 38564149..069fbba8 100644
--- a/patacrep/songs/chordpro/test/greensleeves.txt
+++ b/patacrep/songs/chordpro/test/greensleeves.txt
@@ -1,13 +1,14 @@
 {title: Greensleeves}
 {title: Un autre sous-titre}
 {title: Un sous titre}
-{language: english}
 {by: Traditionnel}
 {album: Angleterre}
 {columns: 2}
-{cover: traditionnel}
-{partition: greensleeves.ly}
+{cov: DIRNAME/traditionnel}
+{language: english}
 ========
+{partition: DIRNAME/greensleeves.ly}
+
 {start_of_verse}
   A[Am]las, my love, ye [G]do me wrong
   To [Am]cast me oft dis[E]curteously
diff --git a/patacrep/songs/chordpro/test/metadata.sgc b/patacrep/songs/chordpro/test/metadata.sgc
index c892faf0..eee1bf9d 100644
--- a/patacrep/songs/chordpro/test/metadata.sgc
+++ b/patacrep/songs/chordpro/test/metadata.sgc
@@ -13,8 +13,8 @@
 {cover: Cover}
 {vcover: VCover}
 {capo: Capo}
-{foo: Foo}
+{key: foo: Foo}
 {comment: Comment}
 {guitar_comment: GuitarComment}
 {image: Image}
-{lilypond: Lilypond}
+{partition: Lilypond}
diff --git a/patacrep/songs/chordpro/test/metadata.txt b/patacrep/songs/chordpro/test/metadata.txt
index 8d73f4b8..1ba5f5c6 100644
--- a/patacrep/songs/chordpro/test/metadata.txt
+++ b/patacrep/songs/chordpro/test/metadata.txt
@@ -4,18 +4,18 @@
 {title: Subtitle3}
 {title: Subtitle4}
 {title: Subtitle5}
-{language: english}
-{language: french}
 {by: Author1}
 {by: Author2}
+{key: {foo: Foo}}
 {album: Albom}
 {capo: Capo}
 {copyright: Copyright}
-{cover: Cover}
-{foo: Foo}
-{vcover: VCover}
+{cov: DIRNAME/Cover}
+{language: english}
+{language: french}
+{vcov: VCover}
 ========
 {comment: Comment}
 {guitar_comment: GuitarComment}
-{image: Image}
-{lilypond: Lilypond}
+{image: DIRNAME/Image}
+{partition: DIRNAME/Lilypond}
diff --git a/patacrep/songs/chordpro/test/test_parser.py b/patacrep/songs/chordpro/test/test_parser.py
index 85ad4108..2743522e 100644
--- a/patacrep/songs/chordpro/test/test_parser.py
+++ b/patacrep/songs/chordpro/test/test_parser.py
@@ -1,36 +1,56 @@
+"""Tests for the chordpro parser."""
+
+# pylint: disable=too-few-public-methods
+
 import glob
 import os
 import unittest
 
 from patacrep.songs.chordpro import syntax as chordpro
 
-class ParserTestCase(unittest.TestCase):
+class ParserTxtRenderer(unittest.TestCase):
+    """Test parser, and renderer as a txt file."""
+
+    maxDiff = None
+
+    def __init__(self, methodname="runTest", basename=None):
+        super().__init__(methodname)
+        self.basename = basename
+
+    def shortDescription(self):
+        return "Parsing file '{}.txt'.".format(self.basename)
+
+    def runTest(self):
+        """Test txt output (default, debug output)."""
+        # pylint: disable=invalid-name
+
+        if self.basename is None:
+            return
+        with open("{}.sgc".format(self.basename), 'r', encoding='utf8') as sourcefile:
+            with open("{}.txt".format(self.basename), 'r', encoding='utf8') as expectfile:
+                #print(os.path.basename(sourcefile.name))
+                #with open("{}.txt.diff".format(self.basename), 'w', encoding='utf8') as difffile:
+                #    difffile.write(
+                #        str(chordpro.parse_song(
+                #            sourcefile.read(),
+                #            os.path.basename(sourcefile.name),
+                #            )).strip()
+                #        )
+                #    sourcefile.seek(0)
+                self.assertMultiLineEqual(
+                    str(chordpro.parse_song(
+                        sourcefile.read(),
+                        os.path.abspath(sourcefile.name),
+                        )).strip(),
+                    expectfile.read().strip().replace("DIRNAME", os.path.dirname(self.basename)),
+                    )
 
-    def test_txt(self):
-        for txt in sorted(glob.glob(os.path.join(
-            os.path.dirname(__file__),
-            '*.txt',
+def load_tests(__loader, tests, __pattern):
+    """Load several tests given test files present in the directory."""
+    # Load all txt files as tests
+    for txt in sorted(glob.glob(os.path.join(
+        os.path.dirname(__file__),
+        '*.txt',
         ))):
-            basename = txt[:-len('.txt')]
-            with open("{}.sgc".format(basename), 'r', encoding='utf8') as sourcefile:
-                with open("{}.txt".format(basename), 'r', encoding='utf8') as expectfile:
-                    #print(os.path.basename(sourcefile.name))
-                    #with open("{}.txt.diff".format(basename), 'w', encoding='utf8') as difffile:
-                    #    difffile.write(
-                    #        str(chordpro.parse_song(
-                    #            sourcefile.read(),
-                    #            os.path.basename(sourcefile.name),
-                    #            )).strip()
-                    #        )
-                    #    sourcefile.seek(0)
-                    self.assertMultiLineEqual(
-                        str(chordpro.parse_song(
-                            sourcefile.read(),
-                            os.path.basename(sourcefile.name),
-                            )).strip(),
-                        expectfile.read().strip(),
-                        )
-
-    def test_tex(self):
-        # TODO
-        pass
+        tests.addTest(ParserTxtRenderer(basename=txt[:-len('.txt')]))
+    return tests
diff --git a/patacrep/songs/latex/__init__.py b/patacrep/songs/latex/__init__.py
index 93fbccc7..bbab88cc 100644
--- a/patacrep/songs/latex/__init__.py
+++ b/patacrep/songs/latex/__init__.py
@@ -14,7 +14,7 @@ from patacrep.songs import Song
 class LatexSong(Song):
     """LaTeX song parser."""
 
-    def parse(self, content):
+    def parse(self, __config):
         """Parse content, and return the dictinory of song data."""
         with encoding.open_read(self.fullpath, encoding=self.encoding) as song:
             self.data = parse_song(song.read(), self.fullpath)
diff --git a/patacrep/templates.py b/patacrep/templates.py
index ed48529f..6849ad36 100644
--- a/patacrep/templates.py
+++ b/patacrep/templates.py
@@ -64,9 +64,29 @@ def _escape_tex(value):
     return newval
 
 
-class TexRenderer(object):
+class TexRenderer:
     """Render a template to a LaTeX file."""
 
+    def __init__(self, template, texenv, encoding=None):
+        self.encoding = encoding
+        self.texenv = texenv
+        self.texenv.block_start_string = '(*'
+        self.texenv.block_end_string = '*)'
+        self.texenv.variable_start_string = '(('
+        self.texenv.variable_end_string = '))'
+        self.texenv.comment_start_string = '(% comment %)'
+        self.texenv.comment_end_string = '(% endcomment %)'
+        self.texenv.line_comment_prefix = '%!'
+        self.texenv.filters['escape_tex'] = _escape_tex
+        self.texenv.trim_blocks = True
+        self.texenv.lstrip_blocks = True
+        self.texenv.globals["path2posix"] = files.path2posix
+        self.template = self.texenv.get_template(template)
+
+
+class TexBookRenderer(TexRenderer):
+    """Tex renderer for the whole songbook"""
+
     def __init__(self, template, datadirs, lang, encoding=None):
         '''Start a new jinja2 environment for .tex creation.
 
@@ -78,29 +98,15 @@ class TexRenderer(object):
         - encoding: if set, encoding of the template.
         '''
         self.lang = lang
-        self.encoding = encoding
         # Load templates in filesystem ...
         loaders = [FileSystemLoader(os.path.join(datadir, 'templates'))
                       for datadir in datadirs]
-        self.texenv = Environment(
+        texenv = Environment(
                 loader=ChoiceLoader(loaders),
                 extensions=[VariablesExtension],
                 )
-        self.texenv.block_start_string = '(*'
-        self.texenv.block_end_string = '*)'
-        self.texenv.variable_start_string = '(('
-        self.texenv.variable_end_string = '))'
-        self.texenv.comment_start_string = '(% comment %)'
-        self.texenv.comment_end_string = '(% endcomment %)'
-        self.texenv.line_comment_prefix = '%!'
-        self.texenv.filters['escape_tex'] = _escape_tex
-        self.texenv.trim_blocks = True
-        self.texenv.lstrip_blocks = True
-
-        self.texenv.globals["path2posix"] = files.path2posix
-
         try:
-            self.template = self.texenv.get_template(template)
+            super().__init__(template, texenv, encoding)
         except TemplateNotFound as exception:
             # Only works if all loaders are FileSystemLoader().
             paths = [
diff --git a/patacrep/test.py b/patacrep/test.py
new file mode 100644
index 00000000..ce135fef
--- /dev/null
+++ b/patacrep/test.py
@@ -0,0 +1,26 @@
+"""Tests"""
+
+import doctest
+import os
+import unittest
+
+import patacrep
+
+def suite():
+    """Return a TestSuite object, to test whole `patacrep` package.
+
+    Both unittest and doctest are tested.
+    """
+    test_loader = unittest.defaultTestLoader
+    return test_loader.discover(os.path.dirname(__file__))
+
+def load_tests(__loader, tests, __pattern):
+    """Load tests (unittests and doctests)."""
+    # Loading doctests
+    tests.addTests(doctest.DocTestSuite(patacrep))
+
+    # Unittests are loaded by default
+    return tests
+
+if __name__ == "__main__":
+    unittest.TextTestRunner().run(suite())
diff --git a/setup.py b/setup.py
index d153d49e..5a315fbd 100755
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@ setup(
         "Programming Language :: Python :: 3.4",
         "Topic :: Utilities",
         ],
-    platforms=["GNU/Linux", "Windows", "MacOsX"]
+    platforms=["GNU/Linux", "Windows", "MacOsX"],
+    test_suite="patacrep.test.suite",
     long_description = open("README.rst", "r").read(),
 )