pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3590-CJ68.ps) >>/Users/jc/w/tmp/Tune-3590-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Contra/CJ68.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_35904.log 382680 Log file, useful mostly for debugging
Form_35901.log 909 Log file, useful mostly for debugging
Form_35902.log 2125 Log file, useful mostly for debugging
Form_35903.log 1097 Log file, useful mostly for debugging
Form_35904.log 904 Log file, useful mostly for debugging
Tune-3590-CJ68.abc 2239 ABC music file with the extracted tune(s)
Tune-3590-CJ68.ps 47786 PostScript
Tune-3590-CJ68.txt 2239 Plain-text file with the extracted tune(s)
Tune-3590-get.log 4255 Log file, useful mostly for debugging
Tune-35902-get.log 1493 Log file, useful mostly for debugging
Tune-35908-get.log 4195 Log file, useful mostly for debugging
These files should be available for 24 hours.