mascii.org
all about masciiMascii version 1.0. Mascii is a robust musical notation system that lets you easily input music using plain ASCII text from any standard computer keyboard, and is designed to be easily understood by humans and computers alike. Another natural comparison might be to MusicXML. Unlike MusicXML, however, a primary design goal of mascii was that it should be easy to read and write in an ordinary text editor; thus it is considerably more terse than MusicXML. There is a free implementation. Pitch notation follo...
http://www.mascii.org/