The PHP 5.4 MVC with Shoes On: ActiveRecord, User/Session, Generators, SCSS, (Twitter Bootstrap) Integration, Workers, Cron Management, Image Manipulation, Caching, Git Management, Mail & Mail Parsing, OCR, Scraping, Selenium, Mustache, Markdown, Phone & Text Messaging, WebSockets, BitTorrent and much more!
http://moinejf.free.fr/ abcm2ps
abcm2ps and abcmidi
PHP should handle abcmidi rendering with cleaner sampled audio and javascript should figure out on he fly play
http://abcnotation.com/learn http://abcplus.sourceforge.net/#ABCGuide
with vex flow js client rendering https://github.com/0xfe/vexflow
http://www.vim.org/scripts/script.php?script_id=4100