initial commit

tests/_data/abc/valid_abc_3.abc

@@ -0,0 +1,19 @@
+A: trad
+B: Traditional English tunes
+C: trad.
+D: None
+F:none.abc
+H: Thousand year old tradition
+The Horns live in the church and are removed for the dance once a year
+L:1/8
+M:6/8
+N:Traditional English
+O:England
+R:Jig
+S:http://www.leeds.ac.uk/music/Info/RRTuneBk/gettune/00000dab.html
+Z:Andy Hornby
+
+X:3
+M:4/4
+K:C
+gaab babc :|