diff --git a/patacrep/songs/chordpro/__init__.py b/patacrep/songs/chordpro/__init__.py
index 330b2f3e..5777b170 100644
--- a/patacrep/songs/chordpro/__init__.py
+++ b/patacrep/songs/chordpro/__init__.py
@@ -131,13 +131,13 @@ class Chordpro2ChordproSong(ChordproSong):
         return filename
 
 SONG_RENDERERS = {
-    "latex": {
-        'sgc': Chordpro2LatexSong,
+    "tsg": {
+        'csg': Chordpro2LatexSong,
         },
     "html": {
-        'sgc': Chordpro2HtmlSong,
+        'csg': Chordpro2HtmlSong,
         },
-    "chordpro": {
-        'sgc': Chordpro2ChordproSong,
+    "csg": {
+        'csg': Chordpro2ChordproSong,
         },
     }
diff --git a/test/test_chordpro/00.sgc b/test/test_chordpro/00.csg
similarity index 100%
rename from test/test_chordpro/00.sgc
rename to test/test_chordpro/00.csg
diff --git a/test/test_chordpro/00.source b/test/test_chordpro/00.csg.source
similarity index 100%
rename from test/test_chordpro/00.source
rename to test/test_chordpro/00.csg.source
diff --git a/test/test_chordpro/00.tex b/test/test_chordpro/00.tsg
similarity index 100%
rename from test/test_chordpro/00.tex
rename to test/test_chordpro/00.tsg
diff --git a/test/test_chordpro/01.sgc b/test/test_chordpro/01.csg
similarity index 100%
rename from test/test_chordpro/01.sgc
rename to test/test_chordpro/01.csg
diff --git a/test/test_chordpro/01.source b/test/test_chordpro/01.csg.source
similarity index 100%
rename from test/test_chordpro/01.source
rename to test/test_chordpro/01.csg.source
diff --git a/test/test_chordpro/01.tex b/test/test_chordpro/01.tsg
similarity index 100%
rename from test/test_chordpro/01.tex
rename to test/test_chordpro/01.tsg
diff --git a/test/test_chordpro/02.sgc b/test/test_chordpro/02.csg
similarity index 100%
rename from test/test_chordpro/02.sgc
rename to test/test_chordpro/02.csg
diff --git a/test/test_chordpro/02.source b/test/test_chordpro/02.csg.source
similarity index 100%
rename from test/test_chordpro/02.source
rename to test/test_chordpro/02.csg.source
diff --git a/test/test_chordpro/02.tex b/test/test_chordpro/02.tsg
similarity index 100%
rename from test/test_chordpro/02.tex
rename to test/test_chordpro/02.tsg
diff --git a/test/test_chordpro/03.sgc b/test/test_chordpro/03.csg
similarity index 100%
rename from test/test_chordpro/03.sgc
rename to test/test_chordpro/03.csg
diff --git a/test/test_chordpro/03.source b/test/test_chordpro/03.csg.source
similarity index 100%
rename from test/test_chordpro/03.source
rename to test/test_chordpro/03.csg.source
diff --git a/test/test_chordpro/03.tex b/test/test_chordpro/03.tsg
similarity index 100%
rename from test/test_chordpro/03.tex
rename to test/test_chordpro/03.tsg
diff --git a/test/test_chordpro/04.sgc b/test/test_chordpro/04.csg
similarity index 100%
rename from test/test_chordpro/04.sgc
rename to test/test_chordpro/04.csg
diff --git a/test/test_chordpro/04.source b/test/test_chordpro/04.csg.source
similarity index 100%
rename from test/test_chordpro/04.source
rename to test/test_chordpro/04.csg.source
diff --git a/test/test_chordpro/04.tex b/test/test_chordpro/04.tsg
similarity index 100%
rename from test/test_chordpro/04.tex
rename to test/test_chordpro/04.tsg
diff --git a/test/test_chordpro/05.sgc b/test/test_chordpro/05.csg
similarity index 100%
rename from test/test_chordpro/05.sgc
rename to test/test_chordpro/05.csg
diff --git a/test/test_chordpro/05.source b/test/test_chordpro/05.csg.source
similarity index 100%
rename from test/test_chordpro/05.source
rename to test/test_chordpro/05.csg.source
diff --git a/test/test_chordpro/05.tex b/test/test_chordpro/05.tsg
similarity index 100%
rename from test/test_chordpro/05.tex
rename to test/test_chordpro/05.tsg
diff --git a/test/test_chordpro/06.sgc b/test/test_chordpro/06.csg
similarity index 100%
rename from test/test_chordpro/06.sgc
rename to test/test_chordpro/06.csg
diff --git a/test/test_chordpro/06.source b/test/test_chordpro/06.csg.source
similarity index 100%
rename from test/test_chordpro/06.source
rename to test/test_chordpro/06.csg.source
diff --git a/test/test_chordpro/06.tex b/test/test_chordpro/06.tsg
similarity index 100%
rename from test/test_chordpro/06.tex
rename to test/test_chordpro/06.tsg
diff --git a/test/test_chordpro/07.sgc b/test/test_chordpro/07.csg
similarity index 100%
rename from test/test_chordpro/07.sgc
rename to test/test_chordpro/07.csg
diff --git a/test/test_chordpro/07.source b/test/test_chordpro/07.csg.source
similarity index 100%
rename from test/test_chordpro/07.source
rename to test/test_chordpro/07.csg.source
diff --git a/test/test_chordpro/07.tex b/test/test_chordpro/07.tsg
similarity index 100%
rename from test/test_chordpro/07.tex
rename to test/test_chordpro/07.tsg
diff --git a/test/test_chordpro/08.sgc b/test/test_chordpro/08.csg
similarity index 100%
rename from test/test_chordpro/08.sgc
rename to test/test_chordpro/08.csg
diff --git a/test/test_chordpro/08.source b/test/test_chordpro/08.csg.source
similarity index 100%
rename from test/test_chordpro/08.source
rename to test/test_chordpro/08.csg.source
diff --git a/test/test_chordpro/08.tex b/test/test_chordpro/08.tsg
similarity index 100%
rename from test/test_chordpro/08.tex
rename to test/test_chordpro/08.tsg
diff --git a/test/test_chordpro/09.sgc b/test/test_chordpro/09.csg
similarity index 100%
rename from test/test_chordpro/09.sgc
rename to test/test_chordpro/09.csg
diff --git a/test/test_chordpro/09.source b/test/test_chordpro/09.csg.source
similarity index 100%
rename from test/test_chordpro/09.source
rename to test/test_chordpro/09.csg.source
diff --git a/test/test_chordpro/09.tex b/test/test_chordpro/09.tsg
similarity index 100%
rename from test/test_chordpro/09.tex
rename to test/test_chordpro/09.tsg
diff --git a/test/test_chordpro/10.sgc b/test/test_chordpro/10.csg
similarity index 100%
rename from test/test_chordpro/10.sgc
rename to test/test_chordpro/10.csg
diff --git a/test/test_chordpro/10.source b/test/test_chordpro/10.csg.source
similarity index 100%
rename from test/test_chordpro/10.source
rename to test/test_chordpro/10.csg.source
diff --git a/test/test_chordpro/10.tex b/test/test_chordpro/10.tsg
similarity index 100%
rename from test/test_chordpro/10.tex
rename to test/test_chordpro/10.tsg
diff --git a/test/test_chordpro/11.sgc b/test/test_chordpro/11.csg
similarity index 100%
rename from test/test_chordpro/11.sgc
rename to test/test_chordpro/11.csg
diff --git a/test/test_chordpro/11.source b/test/test_chordpro/11.csg.source
similarity index 100%
rename from test/test_chordpro/11.source
rename to test/test_chordpro/11.csg.source
diff --git a/test/test_chordpro/11.tex b/test/test_chordpro/11.tsg
similarity index 100%
rename from test/test_chordpro/11.tex
rename to test/test_chordpro/11.tsg
diff --git a/test/test_chordpro/12.sgc b/test/test_chordpro/12.csg
similarity index 100%
rename from test/test_chordpro/12.sgc
rename to test/test_chordpro/12.csg
diff --git a/test/test_chordpro/12.source b/test/test_chordpro/12.csg.source
similarity index 100%
rename from test/test_chordpro/12.source
rename to test/test_chordpro/12.csg.source
diff --git a/test/test_chordpro/12.tex b/test/test_chordpro/12.tsg
similarity index 100%
rename from test/test_chordpro/12.tex
rename to test/test_chordpro/12.tsg
diff --git a/test/test_chordpro/13.sgc b/test/test_chordpro/13.csg
similarity index 100%
rename from test/test_chordpro/13.sgc
rename to test/test_chordpro/13.csg
diff --git a/test/test_chordpro/13.source b/test/test_chordpro/13.csg.source
similarity index 100%
rename from test/test_chordpro/13.source
rename to test/test_chordpro/13.csg.source
diff --git a/test/test_chordpro/13.tex b/test/test_chordpro/13.tsg
similarity index 100%
rename from test/test_chordpro/13.tex
rename to test/test_chordpro/13.tsg
diff --git a/test/test_chordpro/21.sgc b/test/test_chordpro/21.csg
similarity index 100%
rename from test/test_chordpro/21.sgc
rename to test/test_chordpro/21.csg
diff --git a/test/test_chordpro/21.source b/test/test_chordpro/21.csg.source
similarity index 100%
rename from test/test_chordpro/21.source
rename to test/test_chordpro/21.csg.source
diff --git a/test/test_chordpro/21.tex b/test/test_chordpro/21.tsg
similarity index 100%
rename from test/test_chordpro/21.tex
rename to test/test_chordpro/21.tsg
diff --git a/test/test_chordpro/22.sgc b/test/test_chordpro/22.csg
similarity index 100%
rename from test/test_chordpro/22.sgc
rename to test/test_chordpro/22.csg
diff --git a/test/test_chordpro/22.source b/test/test_chordpro/22.csg.source
similarity index 100%
rename from test/test_chordpro/22.source
rename to test/test_chordpro/22.csg.source
diff --git a/test/test_chordpro/22.tex b/test/test_chordpro/22.tsg
similarity index 100%
rename from test/test_chordpro/22.tex
rename to test/test_chordpro/22.tsg
diff --git a/test/test_chordpro/23.sgc b/test/test_chordpro/23.csg
similarity index 100%
rename from test/test_chordpro/23.sgc
rename to test/test_chordpro/23.csg
diff --git a/test/test_chordpro/23.source b/test/test_chordpro/23.csg.source
similarity index 100%
rename from test/test_chordpro/23.source
rename to test/test_chordpro/23.csg.source
diff --git a/test/test_chordpro/23.tex b/test/test_chordpro/23.tsg
similarity index 100%
rename from test/test_chordpro/23.tex
rename to test/test_chordpro/23.tsg
diff --git a/test/test_chordpro/24.sgc b/test/test_chordpro/24.csg
similarity index 100%
rename from test/test_chordpro/24.sgc
rename to test/test_chordpro/24.csg
diff --git a/test/test_chordpro/24.source b/test/test_chordpro/24.csg.source
similarity index 100%
rename from test/test_chordpro/24.source
rename to test/test_chordpro/24.csg.source
diff --git a/test/test_chordpro/24.tex b/test/test_chordpro/24.tsg
similarity index 100%
rename from test/test_chordpro/24.tex
rename to test/test_chordpro/24.tsg
diff --git a/test/test_chordpro/25.sgc b/test/test_chordpro/25.csg
similarity index 100%
rename from test/test_chordpro/25.sgc
rename to test/test_chordpro/25.csg
diff --git a/test/test_chordpro/25.source b/test/test_chordpro/25.csg.source
similarity index 100%
rename from test/test_chordpro/25.source
rename to test/test_chordpro/25.csg.source
diff --git a/test/test_chordpro/25.tex b/test/test_chordpro/25.tsg
similarity index 100%
rename from test/test_chordpro/25.tex
rename to test/test_chordpro/25.tsg
diff --git a/test/test_chordpro/26.sgc b/test/test_chordpro/26.csg
similarity index 100%
rename from test/test_chordpro/26.sgc
rename to test/test_chordpro/26.csg
diff --git a/test/test_chordpro/26.source b/test/test_chordpro/26.csg.source
similarity index 100%
rename from test/test_chordpro/26.source
rename to test/test_chordpro/26.csg.source
diff --git a/test/test_chordpro/26.tex b/test/test_chordpro/26.tsg
similarity index 100%
rename from test/test_chordpro/26.tex
rename to test/test_chordpro/26.tsg
diff --git a/test/test_chordpro/27.sgc b/test/test_chordpro/27.csg
similarity index 100%
rename from test/test_chordpro/27.sgc
rename to test/test_chordpro/27.csg
diff --git a/test/test_chordpro/27.source b/test/test_chordpro/27.csg.source
similarity index 100%
rename from test/test_chordpro/27.source
rename to test/test_chordpro/27.csg.source
diff --git a/test/test_chordpro/27.tex b/test/test_chordpro/27.tsg
similarity index 100%
rename from test/test_chordpro/27.tex
rename to test/test_chordpro/27.tsg
diff --git a/test/test_chordpro/28.sgc b/test/test_chordpro/28.csg
similarity index 100%
rename from test/test_chordpro/28.sgc
rename to test/test_chordpro/28.csg
diff --git a/test/test_chordpro/28.source b/test/test_chordpro/28.csg.source
similarity index 100%
rename from test/test_chordpro/28.source
rename to test/test_chordpro/28.csg.source
diff --git a/test/test_chordpro/28.tex b/test/test_chordpro/28.tsg
similarity index 100%
rename from test/test_chordpro/28.tex
rename to test/test_chordpro/28.tsg
diff --git a/test/test_chordpro/29.sgc b/test/test_chordpro/29.csg
similarity index 100%
rename from test/test_chordpro/29.sgc
rename to test/test_chordpro/29.csg
diff --git a/test/test_chordpro/29.source b/test/test_chordpro/29.csg.source
similarity index 100%
rename from test/test_chordpro/29.source
rename to test/test_chordpro/29.csg.source
diff --git a/test/test_chordpro/29.tex b/test/test_chordpro/29.tsg
similarity index 100%
rename from test/test_chordpro/29.tex
rename to test/test_chordpro/29.tsg
diff --git a/test/test_chordpro/author_names.sgc b/test/test_chordpro/author_names.csg
similarity index 100%
rename from test/test_chordpro/author_names.sgc
rename to test/test_chordpro/author_names.csg
diff --git a/test/test_chordpro/author_names.source b/test/test_chordpro/author_names.csg.source
similarity index 100%
rename from test/test_chordpro/author_names.source
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diff --git a/test/test_chordpro/author_names.tex b/test/test_chordpro/author_names.tsg
similarity index 100%
rename from test/test_chordpro/author_names.tex
rename to test/test_chordpro/author_names.tsg
diff --git a/test/test_chordpro/chords.sgc b/test/test_chordpro/chords.csg
similarity index 100%
rename from test/test_chordpro/chords.sgc
rename to test/test_chordpro/chords.csg
diff --git a/test/test_chordpro/chords.source b/test/test_chordpro/chords.csg.source
similarity index 100%
rename from test/test_chordpro/chords.source
rename to test/test_chordpro/chords.csg.source
diff --git a/test/test_chordpro/chords.tex b/test/test_chordpro/chords.tsg
similarity index 100%
rename from test/test_chordpro/chords.tex
rename to test/test_chordpro/chords.tsg
diff --git a/test/test_chordpro/customchords.sgc b/test/test_chordpro/customchords.csg
similarity index 100%
rename from test/test_chordpro/customchords.sgc
rename to test/test_chordpro/customchords.csg
diff --git a/test/test_chordpro/customchords.source b/test/test_chordpro/customchords.csg.source
similarity index 100%
rename from test/test_chordpro/customchords.source
rename to test/test_chordpro/customchords.csg.source
diff --git a/test/test_chordpro/customchords.tex b/test/test_chordpro/customchords.tsg
similarity index 100%
rename from test/test_chordpro/customchords.tex
rename to test/test_chordpro/customchords.tsg
diff --git a/test/test_chordpro/errors/invalid_content.source b/test/test_chordpro/errors/invalid_content.csg.source
similarity index 100%
rename from test/test_chordpro/errors/invalid_content.source
rename to test/test_chordpro/errors/invalid_content.csg.source
diff --git a/test/test_chordpro/greensleeves.sgc b/test/test_chordpro/greensleeves.csg
similarity index 100%
rename from test/test_chordpro/greensleeves.sgc
rename to test/test_chordpro/greensleeves.csg
diff --git a/test/test_chordpro/greensleeves.source b/test/test_chordpro/greensleeves.csg.source
similarity index 100%
rename from test/test_chordpro/greensleeves.source
rename to test/test_chordpro/greensleeves.csg.source
diff --git a/test/test_chordpro/greensleeves.tex b/test/test_chordpro/greensleeves.tsg
similarity index 100%
rename from test/test_chordpro/greensleeves.tex
rename to test/test_chordpro/greensleeves.tsg
diff --git a/test/test_chordpro/invalid_chord.sgc b/test/test_chordpro/invalid_chord.csg
similarity index 100%
rename from test/test_chordpro/invalid_chord.sgc
rename to test/test_chordpro/invalid_chord.csg
diff --git a/test/test_chordpro/invalid_chord.source b/test/test_chordpro/invalid_chord.csg.source
similarity index 100%
rename from test/test_chordpro/invalid_chord.source
rename to test/test_chordpro/invalid_chord.csg.source
diff --git a/test/test_chordpro/invalid_chord.tex b/test/test_chordpro/invalid_chord.tsg
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rename from test/test_chordpro/invalid_chord.tex
rename to test/test_chordpro/invalid_chord.tsg
diff --git a/test/test_chordpro/invalid_customchord.sgc b/test/test_chordpro/invalid_customchord.csg
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rename from test/test_chordpro/invalid_customchord.sgc
rename to test/test_chordpro/invalid_customchord.csg
diff --git a/test/test_chordpro/invalid_customchord.source b/test/test_chordpro/invalid_customchord.csg.source
similarity index 100%
rename from test/test_chordpro/invalid_customchord.source
rename to test/test_chordpro/invalid_customchord.csg.source
diff --git a/test/test_chordpro/invalid_customchord.tex b/test/test_chordpro/invalid_customchord.tsg
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rename from test/test_chordpro/invalid_customchord.tex
rename to test/test_chordpro/invalid_customchord.tsg
diff --git a/test/test_chordpro/invalid_directive.sgc b/test/test_chordpro/invalid_directive.csg
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rename from test/test_chordpro/invalid_directive.sgc
rename to test/test_chordpro/invalid_directive.csg
diff --git a/test/test_chordpro/invalid_directive.source b/test/test_chordpro/invalid_directive.csg.source
similarity index 100%
rename from test/test_chordpro/invalid_directive.source
rename to test/test_chordpro/invalid_directive.csg.source
diff --git a/test/test_chordpro/invalid_directive.tex b/test/test_chordpro/invalid_directive.tsg
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rename from test/test_chordpro/invalid_directive.tex
rename to test/test_chordpro/invalid_directive.tsg
diff --git a/test/test_chordpro/lang.sgc b/test/test_chordpro/lang.csg
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rename to test/test_chordpro/lang.csg
diff --git a/test/test_chordpro/lang.source b/test/test_chordpro/lang.csg.source
similarity index 100%
rename from test/test_chordpro/lang.source
rename to test/test_chordpro/lang.csg.source
diff --git a/test/test_chordpro/metadata.sgc b/test/test_chordpro/metadata.csg
similarity index 100%
rename from test/test_chordpro/metadata.sgc
rename to test/test_chordpro/metadata.csg
diff --git a/test/test_chordpro/metadata.source b/test/test_chordpro/metadata.csg.source
similarity index 100%
rename from test/test_chordpro/metadata.source
rename to test/test_chordpro/metadata.csg.source
diff --git a/test/test_chordpro/metadata.tex b/test/test_chordpro/metadata.tsg
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rename from test/test_chordpro/metadata.tex
rename to test/test_chordpro/metadata.tsg
diff --git a/test/test_chordpro/newline.crlf.sgc b/test/test_chordpro/newline.crlf.csg
similarity index 100%
rename from test/test_chordpro/newline.crlf.sgc
rename to test/test_chordpro/newline.crlf.csg
diff --git a/test/test_chordpro/newline.crlf.csg.source b/test/test_chordpro/newline.crlf.csg.source
new file mode 100644
index 00000000..2071e66d
--- /dev/null
+++ b/test/test_chordpro/newline.crlf.csg.source
@@ -0,0 +1,2 @@
+# This content will be overwritten with `newline.csg.source` content
+# with windows line endings (CRLF) - for testing purposes
diff --git a/test/test_chordpro/newline.crlf.source b/test/test_chordpro/newline.crlf.source
deleted file mode 100644
index bd45d5ce..00000000
--- a/test/test_chordpro/newline.crlf.source
+++ /dev/null
@@ -1,2 +0,0 @@
-# This content will be overwritten with `newline.source` content
-# with windows line endings (CRLF) - for testing purposes
diff --git a/test/test_chordpro/newline.crlf.tex b/test/test_chordpro/newline.crlf.tsg
similarity index 100%
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diff --git a/test/test_chordpro/newline.sgc b/test/test_chordpro/newline.csg
similarity index 100%
rename from test/test_chordpro/newline.sgc
rename to test/test_chordpro/newline.csg
diff --git a/test/test_chordpro/newline.source b/test/test_chordpro/newline.csg.source
similarity index 100%
rename from test/test_chordpro/newline.source
rename to test/test_chordpro/newline.csg.source
diff --git a/test/test_chordpro/newline.tex b/test/test_chordpro/newline.tsg
similarity index 100%
rename from test/test_chordpro/newline.tex
rename to test/test_chordpro/newline.tsg
diff --git a/test/test_chordpro/nolyrics.sgc b/test/test_chordpro/nolyrics.csg
similarity index 100%
rename from test/test_chordpro/nolyrics.sgc
rename to test/test_chordpro/nolyrics.csg
diff --git a/test/test_chordpro/nolyrics.source b/test/test_chordpro/nolyrics.csg.source
similarity index 100%
rename from test/test_chordpro/nolyrics.source
rename to test/test_chordpro/nolyrics.csg.source
diff --git a/test/test_chordpro/nolyrics.tex b/test/test_chordpro/nolyrics.tsg
similarity index 100%
rename from test/test_chordpro/nolyrics.tex
rename to test/test_chordpro/nolyrics.tsg
diff --git a/test/test_chordpro/tags.sgc b/test/test_chordpro/tags.csg
similarity index 100%
rename from test/test_chordpro/tags.sgc
rename to test/test_chordpro/tags.csg
diff --git a/test/test_chordpro/tags.source b/test/test_chordpro/tags.csg.source
similarity index 100%
rename from test/test_chordpro/tags.source
rename to test/test_chordpro/tags.csg.source
diff --git a/test/test_chordpro/tags.tex b/test/test_chordpro/tags.tsg
similarity index 100%
rename from test/test_chordpro/tags.tex
rename to test/test_chordpro/tags.tsg
diff --git a/test/test_chordpro/test_parser.py b/test/test_chordpro/test_parser.py
index 5d8a64da..9ebe3e00 100644
--- a/test/test_chordpro/test_parser.py
+++ b/test/test_chordpro/test_parser.py
@@ -15,17 +15,13 @@ from patacrep.encoding import open_read
 from .. import disable_logging
 from .. import dynamic # pylint: disable=unused-import
 
-LANGUAGES = {
-    'tex': 'latex',
-    'sgc': 'chordpro',
-    'html': 'html',
-}
+OUTPUTS = ['csg', 'tsg', 'html']
 
 class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
     """Test of chorpro parser, and several renderers.
 
     For any given `foo.source`, it is parsed as a chordpro file, and should be
-    rendered as `foo.sgc` with the chordpro renderer, and `foo.tex` with the
+    rendered as `foo.csg` with the chordpro renderer, and `foo.tsg` with the
     latex renderer.
 
     This class does nothing by itself, but its metaclass populates it with test
@@ -50,15 +46,15 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
         with files.chdir(resource_filename(__name__, ""), *path):
             yield
 
-    def assertRender(self, base, destformat): # pylint: disable=invalid-name
-        """Assert that `{base}.source` is correctly rendered in the `destformat`.
+    def assertRender(self, base, in_format, out_format): # pylint: disable=invalid-name
+        """Assert that `{base}.source` is correctly rendered in the `out_format`.
         """
-        sourcename = "{}.source".format(base)
-        destname = "{}.{}".format(base, destformat)
+        sourcename = "{}.{}.source".format(base, in_format)
+        destname = "{}.{}".format(base, out_format)
         with self.chdir():
             with open_read(destname) as expectfile:
                 with disable_logging():
-                    song = self.song_plugins[LANGUAGES[destformat]]['sgc'](sourcename, self.config)
+                    song = self.song_plugins[out_format][in_format](sourcename, self.config)
                     self.assertMultiLineEqual(
                         song.render().strip(),
                         expectfile.read().strip(),
@@ -79,45 +75,47 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
             keyword='SONG_RENDERERS',
             )
         with cls.chdir():
-            for source in sorted(glob.glob('*.source')):
-                base = source[:-len(".source")]
-                for dest in LANGUAGES:
-                    destname = "{}.{}".format(base, dest)
-                    if not os.path.exists(destname):
+            for source in sorted(glob.glob('*.*.source')):
+                [*base, in_format, _] = source.split('.')
+                base = '.'.join(base)
+                for out_format in OUTPUTS:
+                    outname = "{}.{}".format(base, out_format)
+                    if not os.path.exists(outname):
                         continue
                     yield (
-                        "test_{}_{}".format(base, dest),
-                        cls._create_test(base, dest),
+                        "test_{}_{}_2_{}".format(base, in_format, out_format),
+                        cls._create_test(base, in_format, out_format),
                         )
 
             with cls.chdir('errors'):
-                for source in sorted(glob.glob('*.source')):
-                    base = source[:-len(".source")]
+                for source in sorted(glob.glob('*.*.source')):
+                    [*base, in_format, _] = source.split('.')
+                    base = '.'.join(base)
                     yield (
-                        "test_{}_failure".format(base),
-                        cls._create_failure(base),
+                        "test_{}_{}_failure".format(base, in_format),
+                        cls._create_failure(base, in_format),
                         )
 
     @classmethod
-    def _create_test(cls, base, dest):
-        """Return a function testing that `base` compilation in `dest` format.
+    def _create_test(cls, base, in_format, out_format):
+        """Return a function testing that `base` compilation in `out_format` format.
         """
-        test_parse_render = lambda self: self.assertRender(base, dest)
+        test_parse_render = lambda self: self.assertRender(base, in_format, out_format)
         test_parse_render.__doc__ = (
-            "Test that '{base}' is correctly parsed and rendererd into '{format}' format."
-            ).format(base=os.path.basename(base), format=dest)
+            "Test that '{base}.{in_format}' is correctly parsed and rendererd into '{out_format}'."
+            ).format(base=os.path.basename(base), in_format=in_format, out_format=out_format)
         return test_parse_render
 
     @classmethod
-    def _create_failure(cls, base):
+    def _create_failure(cls, base, in_format, out_format='tsg'):
         """Return a function testing that `base` parsing fails.
         """
 
         def test_parse_failure(self):
             """Test that `base` parsing fails."""
-            sourcename = "{}.source".format(base)
+            sourcename = "{}.{}.source".format(base, in_format)
             with self.chdir('errors'):
-                parser = self.song_plugins[LANGUAGES['sgc']]['sgc']
+                parser = self.song_plugins[out_format][in_format]
                 self.assertRaises(SyntaxError, parser, sourcename, self.config)
 
         test_parse_failure.__doc__ = (
@@ -130,9 +128,9 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
         """Overwrite `*.crlf.source` files to force the CRLF line endings.
         """
         with cls.chdir():
-            for crlfname in sorted(glob.glob('*.crlf.source')):
-                base = crlfname[:-len(".crlf.source")]
-                sourcename = base + ".source"
+            for crlfname in sorted(glob.glob('*.crlf.*.source')):
+                [*base, _, in_format, source] = crlfname.split('.')
+                sourcename = '.'.join(base + [in_format, source])
                 with open_read(sourcename) as sourcefile:
                     with open(crlfname, 'w') as crlffile:
                         for line in sourcefile:
@@ -146,7 +144,8 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
 # with windows line endings (CRLF) - for testing purposes
 """
         with cls.chdir():
-            for crlfname in sorted(glob.glob('*.crlf.source')):
-                base = crlfname[:-len(".crlf.source")]
+            for crlfname in sorted(glob.glob('*.crlf.*.source')):
+                [*base, crlf, in_format, _] = crlfname.split('.')
+                base = '.'.join(base + [in_format])
                 with open(crlfname, 'w') as crlffile:
                     crlffile.write(crlf_msg.format(base))
diff --git a/test/test_chordpro/ukulelechords.sgc b/test/test_chordpro/ukulelechords.csg
similarity index 100%
rename from test/test_chordpro/ukulelechords.sgc
rename to test/test_chordpro/ukulelechords.csg
diff --git a/test/test_chordpro/ukulelechords.source b/test/test_chordpro/ukulelechords.csg.source
similarity index 100%
rename from test/test_chordpro/ukulelechords.source
rename to test/test_chordpro/ukulelechords.csg.source
diff --git a/test/test_chordpro/ukulelechords.tex b/test/test_chordpro/ukulelechords.tsg
similarity index 100%
rename from test/test_chordpro/ukulelechords.tex
rename to test/test_chordpro/ukulelechords.tsg