pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4935-hnr0.ps) >>/Users/jc/w/tmp/Tune-4935-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/hnr0.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_49352.log 64724 Log file, useful mostly for debugging
Form_49350.log 774 Log file, useful mostly for debugging
Tune-4935-get.log 3978 Log file, useful mostly for debugging
Tune-4935-hnr0.abc 549 ABC music file with the extracted tune(s)
Tune-4935-hnr0.ps 41217 PostScript
Tune-4935-hnr0.txt 549 Plain-text file with the extracted tune(s)
Tune-49355-get.log 4912 Log file, useful mostly for debugging
Tune-49359-get.log 3581 Log file, useful mostly for debugging
These files should be available for 24 hours.