pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6049-8037_Jacks_Whim.ps) >>/Users/jc/w/tmp/Tune-6049-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnJohnson/8037_Jacks_Whim.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_60496.log 264661 Log file, useful mostly for debugging
Coll_60499.log 266066 Log file, useful mostly for debugging
Form_60493.log 978 Log file, useful mostly for debugging
Form_60495.log 832 Log file, useful mostly for debugging
Tune-6049-8037_Jacks_Whim.abc 394 ABC music file with the extracted tune(s)
Tune-6049-8037_Jacks_Whim.ps 34784 PostScript
Tune-6049-8037_Jacks_Whim.txt 394 Plain-text file with the extracted tune(s)
Tune-6049-get.log 4585 Log file, useful mostly for debugging
Tune-60495-get.log 10082 Log file, useful mostly for debugging
Tune-60496-get.log 5468 Log file, useful mostly for debugging
Tune-60497-get.log 3627 Log file, useful mostly for debugging
Tune-60499-get.log 1401 Log file, useful mostly for debugging
These files should be available for 24 hours.