pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-75830-Waltz_TakeMeOutToTheBallGame.ps) >>/Users/jc/w/tmp/Tune-75830-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/waltz/Waltz_TakeMeOutToTheBallGame.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-75830-Waltz_TakeMeOutToTheBallGame.abc 951 ABC music file with the extracted tune(s)
Tune-75830-Waltz_TakeMeOutToTheBallGame.ps 38514 PostScript
Tune-75830-Waltz_TakeMeOutToTheBallGame.txt 951 Plain-text file with the extracted tune(s)
Tune-75830-get.log 5884 Log file, useful mostly for debugging
These files should be available for 24 hours.