diff --git a/patacrep/build.py b/patacrep/build.py
index 0342959b..0526d5c2 100644
--- a/patacrep/build.py
+++ b/patacrep/build.py
@@ -109,7 +109,7 @@ class Songbook(object):
             datadirs=config.get('datadir', []),
             root_modules=['songs'],
             keyword='SONG_RENDERERS',
-            )['latex']
+            )['tsg']
 
         # Configuration set
         config['render'] = content.render
diff --git a/patacrep/content/tex.py b/patacrep/content/tex.py
index 0f520c19..badf58e6 100755
--- a/patacrep/content/tex.py
+++ b/patacrep/content/tex.py
@@ -33,7 +33,7 @@ def parse(keyword, argument, contentlist, config):
     """
     if not contentlist:
         LOGGER.warning(
-            "Useless 'tex' content: list of files to include is empty."
+            "Useless 'tsg' content: list of files to include is empty."
             )
     filelist = []
     basefolders = itertools.chain(
@@ -62,4 +62,4 @@ def parse(keyword, argument, contentlist, config):
     return filelist
 
 
-CONTENT_PLUGINS = {'tex': parse}
+CONTENT_PLUGINS = {'tsg': parse}
diff --git a/patacrep/songbook/__main__.py b/patacrep/songbook/__main__.py
index 004f3e95..d049cccb 100644
--- a/patacrep/songbook/__main__.py
+++ b/patacrep/songbook/__main__.py
@@ -153,7 +153,7 @@ def main():
         # Command line options
         datadirs += [item[0] for item in options.datadir]
     if 'datadir' in songbook:
-        # .sg file
+        # .tsg file
         if isinstance(songbook['datadir'], str):
             songbook['datadir'] = [songbook['datadir']]
         datadirs += [
diff --git a/patacrep/songs/latex/__init__.py b/patacrep/songs/latex/__init__.py
index d19cd10e..c9359f1c 100644
--- a/patacrep/songs/latex/__init__.py
+++ b/patacrep/songs/latex/__init__.py
@@ -49,9 +49,9 @@ class Latex2LatexSong(Song):
         self.lang = custom_lang
 
 SONG_RENDERERS = {
-    "latex": {
-        'is': Latex2LatexSong,
-        'sg': Latex2LatexSong,
+    "tsg": {
+        'tis': Latex2LatexSong,
+        'tsg': Latex2LatexSong,
     },
 }
 
diff --git a/test/test_compilation/datadir.tex.control b/test/test_compilation/datadir.tex.control
index 14b11cb1..1df14c15 100644
--- a/test/test_compilation/datadir.tex.control
+++ b/test/test_compilation/datadir.tex.control
@@ -90,12 +90,7 @@ guitar,
 
 \begin{songs}{titleidx,authidx}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./datadir.sg
-
-\import{@TEST_FOLDER@/datadir_datadir/songs/}{datadir.sg}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./datadir.sgc
+%% songs/./datadir.csg
 
 \selectlanguage{english}
 
@@ -117,12 +112,12 @@ Chordpro}[
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./datadir2.sg
+%% songs/./datadir.tsg
 
-\import{@TEST_FOLDER@/datadir_datadir/songs/}{datadir2.sg}
+\import{@TEST_FOLDER@/datadir_datadir/songs/}{datadir.tsg}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./datadir2.sgc
+%% songs/./datadir2.csg
 
 \selectlanguage{english}
 
@@ -144,12 +139,12 @@ Chordpro}[
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./relative.sg
+%% songs/./datadir2.tsg
 
-\import{@TEST_FOLDER@/datadir_datadir/songs/}{relative.sg}
+\import{@TEST_FOLDER@/datadir_datadir/songs/}{datadir2.tsg}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./relative.sgc
+%% songs/./relative.csg
 
 \selectlanguage{english}
 
@@ -171,12 +166,12 @@ Chordpro}[
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./subdir/subdir.sg
+%% songs/./relative.tsg
 
-\import{@TEST_FOLDER@/datadir_datadir/songs/subdir/}{subdir.sg}
+\import{@TEST_FOLDER@/datadir_datadir/songs/}{relative.tsg}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./subdir/subdir.sgc
+%% songs/./subdir/subdir.csg
 
 \selectlanguage{english}
 
@@ -197,6 +192,11 @@ Chordpro}[
 
 \endsong
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% songs/./subdir/subdir.tsg
+
+\import{@TEST_FOLDER@/datadir_datadir/songs/subdir/}{subdir.tsg}
+
 \end{songs}
 
 
diff --git a/test/test_compilation/datadir_datadir/songs/datadir.sgc b/test/test_compilation/datadir_datadir/songs/datadir.csg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/datadir.sgc
rename to test/test_compilation/datadir_datadir/songs/datadir.csg
diff --git a/test/test_compilation/datadir_datadir/songs/datadir.sg b/test/test_compilation/datadir_datadir/songs/datadir.tsg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/datadir.sg
rename to test/test_compilation/datadir_datadir/songs/datadir.tsg
diff --git a/test/test_compilation/datadir_datadir/songs/datadir2.sgc b/test/test_compilation/datadir_datadir/songs/datadir2.csg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/datadir2.sgc
rename to test/test_compilation/datadir_datadir/songs/datadir2.csg
diff --git a/test/test_compilation/datadir_datadir/songs/datadir2.sg b/test/test_compilation/datadir_datadir/songs/datadir2.tsg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/datadir2.sg
rename to test/test_compilation/datadir_datadir/songs/datadir2.tsg
diff --git a/test/test_compilation/datadir_datadir/songs/relative.sgc b/test/test_compilation/datadir_datadir/songs/relative.csg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/relative.sgc
rename to test/test_compilation/datadir_datadir/songs/relative.csg
diff --git a/test/test_compilation/datadir_datadir/songs/relative.sg b/test/test_compilation/datadir_datadir/songs/relative.tsg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/relative.sg
rename to test/test_compilation/datadir_datadir/songs/relative.tsg
diff --git a/test/test_compilation/datadir_datadir/songs/subdir/subdir.sgc b/test/test_compilation/datadir_datadir/songs/subdir/subdir.csg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/subdir/subdir.sgc
rename to test/test_compilation/datadir_datadir/songs/subdir/subdir.csg
diff --git a/test/test_compilation/datadir_datadir/songs/subdir/subdir.sg b/test/test_compilation/datadir_datadir/songs/subdir/subdir.tsg
similarity index 100%
rename from test/test_compilation/datadir_datadir/songs/subdir/subdir.sg
rename to test/test_compilation/datadir_datadir/songs/subdir/subdir.tsg
diff --git a/test/test_compilation/languages.tex.control b/test/test_compilation/languages.tex.control
index 59c233a7..6f08614f 100644
--- a/test/test_compilation/languages.tex.control
+++ b/test/test_compilation/languages.tex.control
@@ -91,7 +91,7 @@ guitar,
 
 \begin{songs}{titleidx,authidx}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./language.sgc
+%% songs/./language.csg
 
 \selectlanguage{english}
 
@@ -110,7 +110,7 @@ guitar,
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./language_location.sgc
+%% songs/./language_location.csg
 
 \selectlanguage{french}
 
@@ -129,7 +129,7 @@ guitar,
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./no_language.sgc
+%% songs/./no_language.csg
 
 \selectlanguage{english}
 
@@ -148,7 +148,7 @@ guitar,
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./wrong_language.sgc
+%% songs/./wrong_language.csg
 
 \selectlanguage{english}
 
@@ -167,7 +167,7 @@ guitar,
 \endsong
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./wrong_location.sgc
+%% songs/./wrong_location.csg
 
 \selectlanguage{spanish}
 
diff --git a/test/test_compilation/languages_datadir/songs/language.sgc b/test/test_compilation/languages_datadir/songs/language.csg
similarity index 100%
rename from test/test_compilation/languages_datadir/songs/language.sgc
rename to test/test_compilation/languages_datadir/songs/language.csg
diff --git a/test/test_compilation/languages_datadir/songs/language_location.sgc b/test/test_compilation/languages_datadir/songs/language_location.csg
similarity index 100%
rename from test/test_compilation/languages_datadir/songs/language_location.sgc
rename to test/test_compilation/languages_datadir/songs/language_location.csg
diff --git a/test/test_compilation/languages_datadir/songs/no_language.sgc b/test/test_compilation/languages_datadir/songs/no_language.csg
similarity index 100%
rename from test/test_compilation/languages_datadir/songs/no_language.sgc
rename to test/test_compilation/languages_datadir/songs/no_language.csg
diff --git a/test/test_compilation/languages_datadir/songs/wrong_language.sgc b/test/test_compilation/languages_datadir/songs/wrong_language.csg
similarity index 100%
rename from test/test_compilation/languages_datadir/songs/wrong_language.sgc
rename to test/test_compilation/languages_datadir/songs/wrong_language.csg
diff --git a/test/test_compilation/languages_datadir/songs/wrong_location.sgc b/test/test_compilation/languages_datadir/songs/wrong_location.csg
similarity index 100%
rename from test/test_compilation/languages_datadir/songs/wrong_location.sgc
rename to test/test_compilation/languages_datadir/songs/wrong_location.csg
diff --git a/test/test_compilation/syntax.tex.control b/test/test_compilation/syntax.tex.control
index 6f213ef2..b2147b06 100644
--- a/test/test_compilation/syntax.tex.control
+++ b/test/test_compilation/syntax.tex.control
@@ -88,7 +88,7 @@ guitar,
 
 \begin{songs}{titleidx,authidx}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./musicnote.sgc
+%% songs/./musicnote.csg
 
 \selectlanguage{english}
 
diff --git a/test/test_compilation/syntax_datadir/songs/musicnote.sgc b/test/test_compilation/syntax_datadir/songs/musicnote.csg
similarity index 100%
rename from test/test_compilation/syntax_datadir/songs/musicnote.sgc
rename to test/test_compilation/syntax_datadir/songs/musicnote.csg
diff --git a/test/test_compilation/unicode.tex.control b/test/test_compilation/unicode.tex.control
index 9c8e946d..759a15d8 100644
--- a/test/test_compilation/unicode.tex.control
+++ b/test/test_compilation/unicode.tex.control
@@ -88,7 +88,7 @@ guitar,
 
 \begin{songs}{titleidx,authidx}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% songs/./nonbreak.sgc
+%% songs/./nonbreak.csg
 
 \selectlanguage{english}
 
diff --git a/test/test_compilation/unicode_datadir/songs/nonbreak.sgc b/test/test_compilation/unicode_datadir/songs/nonbreak.csg
similarity index 100%
rename from test/test_compilation/unicode_datadir/songs/nonbreak.sgc
rename to test/test_compilation/unicode_datadir/songs/nonbreak.csg