ABC notation

This is the home page for the abc standard, the (semi-formal) description of the rules of abc. It contains links to different versions of the standard and to development work. abcnotation.com/wiki/abc:standard:v2.0 abc standard 2.0 (Dec 2010) - adopted whilst discussions on abc 2.1 were taking place abc draft standard 2.0 (Aug 2003) - working draft version at abc.sourceforge.net Henrik Norbeck has provided formal specifications of the standard in Backus-Naur Format. They have now disappeared from his website, but archives are available at: abc draft standard 2.0 abc standard 1.6 Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Noncommercial-Share Alike 3.0 Unported