pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4052-LiltingBansheeEtAl.ps) >>/Users/jc/w/tmp/Tune-4052-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/contrib/Tunes/LiltingBansheeEtAl.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
Coll_40522.log 140992 Log file, useful mostly for debugging
Coll_40524.log 260559 Log file, useful mostly for debugging
Tune-4052-LiltingBansheeEtAl.abc 166 ABC music file with the extracted tune(s)
Tune-4052-LiltingBansheeEtAl.ps 34440 PostScript
Tune-4052-LiltingBansheeEtAl.txt 166 Plain-text file with the extracted tune(s)
Tune-4052-get.log 4553 Log file, useful mostly for debugging
Tune-40525-get.log 3253 Log file, useful mostly for debugging
These files should be available for 24 hours.