This version of abc2ps is 1.3.2 with audio output, in a first version.
Notes are played as sine, triangle, or sawtooth waves with a reasonably 
realistic envelope, sounding a bit like a piano etc. The effect is 
somewhat synthetic but still. Try changing things in au_set_quality 
to change the sound. 

Also, the source is now structured properly and a Makefile is supplied 
(thanks to Christoph Dalitz), making installation easier. 

See Changes for more information.