pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3272-21351_Muirland_Willie.ps) >>/Users/jc/w/tmp/Tune-3272-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/21351_Muirland_Willie.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_3272.log 264661 Log file, useful mostly for debugging
Coll_32726.log 254826 Log file, useful mostly for debugging
Coll_32727.log 266066 Log file, useful mostly for debugging
Form_32720.log 883 Log file, useful mostly for debugging
Form_32726.log 850 Log file, useful mostly for debugging
Tune-3272-21351_Muirland_Willie.abc 541 ABC music file with the extracted tune(s)
Tune-3272-21351_Muirland_Willie.ps 34273 PostScript
Tune-3272-21351_Muirland_Willie.txt 541 Plain-text file with the extracted tune(s)
Tune-3272-get.log 10699 Log file, useful mostly for debugging
Tune-32720-get.log 6135 Log file, useful mostly for debugging
Tune-32724-get.log 3668 Log file, useful mostly for debugging
Tune-32729-get.log 5286 Log file, useful mostly for debugging
These files should be available for 24 hours.