pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80095-ABC.ps) >>/Users/jc/w/tmp/Tune-80095-get.log 2>&1" returned status 256
http://colinhume.com/ABC.txt

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_80095.log 139782 Log file, useful mostly for debugging
Tune-80095-ABC.abc 665 ABC music file with the extracted tune(s)
Tune-80095-ABC.ps 36834 PostScript
Tune-80095-ABC.txt 665 Plain-text file with the extracted tune(s)
Tune-80095-get.log 11680 Log file, useful mostly for debugging
These files should be available for 24 hours.