This directory contains assorted ABC-related documentation. If you have suggestions for more documents that belong here, you might send me mail.
Here is a list of known ABC instructional documents on the Web:

Introductory ABC documents (sorted by size):
ABCtrivial.txt
An intro for posting to mailing lists.
ABCintro.txt
A basic intro that I wrote.
ABCprimer.html
Another intro that I wrote, in HTML for web browsers.
http://www.abc-notation.com/introduction/index.html
Frank Nordberg's tutorial "The ABC of ABC".

Large ABC tutorials (sorted by author's last name):
http://perun.hscs.wmin.ac.uk/~jra/abcMIDI/abcguide.txt
James Allwright's ABC guide.
ABCtutorial.html
John Chambers' longwinded tutorial (constantly under construction).
http://www.lesession.vcisp.net/abc/abc_notation.htm
Steve Mansfield's tutorial.
http://www.musicaviva.com/abc/abcyclopedia/index.tpl
Frank Nordberg's ABCcylopedia is an encyclopedia flavoured ABC reference work.
http://www.ompom.com/docs/abc.pdf
Erik Ronström's ABC tutorial, as a PDF file.
http://www.formulus.com/hymns/How_to_Write_ABC.html
John Henckel's tutorial, emphasizing writing hymns. He has his own slightly-modified clone of abc2ps.

Other useful ABC documents:
ABC V.1.6 spec
Chris Walshaw's official ABC version 1.6 spec.
usrguide.ps
Chris Walshaw's abc2mtex user guide.
BrowserConfig.html
What we've learned about configuring browsers to handle ABC files.
http://www.lesession.co.uk/abc/abcm2psOnWindows.htm
Steve Mansfield's tutorial on installing abcm2ps on Windows.
And, of course, there's the ABC home page for information on ABC software