pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2038-10152_.ps) >>/Users/jc/w/tmp/Tune-2038-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/10152_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_2038.log 264661 Log file, useful mostly for debugging
Coll_20381.log 263256 Log file, useful mostly for debugging
Coll_20382.log 987705 Log file, useful mostly for debugging
Coll_20388.log 26596 Log file, useful mostly for debugging
Form_20388.log 847 Log file, useful mostly for debugging
Form_20389.log 968 Log file, useful mostly for debugging
Tune-2038-10152_.abc 33 ABC music file with the extracted tune(s)
Tune-2038-10152_.ps 6 PostScript
Tune-2038-10152_.txt 33 Plain-text file with the extracted tune(s)
Tune-2038-get.log 29906 Log file, useful mostly for debugging
Tune-20380-get.log 4541 Log file, useful mostly for debugging
Tune-20381-get.log 4842 Log file, useful mostly for debugging
Tune-20382-get.log 4155 Log file, useful mostly for debugging
Tune-20383-get.log 4311 Log file, useful mostly for debugging
Tune-20384-get.log 3194 Log file, useful mostly for debugging
Tune-20389-get.log 1267 Log file, useful mostly for debugging
These files should be available for 24 hours.