pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40777-Tourment.ps) >>/Users/jc/w/tmp/Tune-40777-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/contra/Tourment.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_40777.log 564445 Log file, useful mostly for debugging
Tune-40777-Tourment.abc 1498 ABC music file with the extracted tune(s)
Tune-40777-Tourment.ps 44922 PostScript
Tune-40777-Tourment.txt 1498 Plain-text file with the extracted tune(s)
Tune-40777-get.log 6503 Log file, useful mostly for debugging
These files should be available for 24 hours.