pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7224-Pioneer.ps) >>/Users/jc/w/tmp/Tune-7224-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ViolaRuth/Pioneer.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_7224.log 277306 Log file, useful mostly for debugging
Coll_72240.log 239371 Log file, useful mostly for debugging
Form_72242.log 822 Log file, useful mostly for debugging
Form_72244.log 852 Log file, useful mostly for debugging
Form_72248.log 831 Log file, useful mostly for debugging
Form_72249.log 1656 Log file, useful mostly for debugging
Tune-7224-Pioneer.abc 20554 ABC music file with the extracted tune(s)
Tune-7224-Pioneer.ps 303722 PostScript
Tune-7224-Pioneer.txt 20554 Plain-text file with the extracted tune(s)
Tune-7224-get.log 32608 Log file, useful mostly for debugging
Tune-72242-get.log 174000 Log file, useful mostly for debugging
Tune-72248-get.log 9650 Log file, useful mostly for debugging
Tune-72249-get.log 4163 Log file, useful mostly for debugging
These files should be available for 24 hours.