pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8503-101_MerryDancers.ps) >>/Users/jc/w/tmp/Tune-8503-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/AbrahamMackintosh/101_MerryDancers.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_85031.log 264661 Log file, useful mostly for debugging
Coll_85034.log 520892 Log file, useful mostly for debugging
Form_8503.log 959 Log file, useful mostly for debugging
Form_85031.log 2568 Log file, useful mostly for debugging
Form_85037.log 2571 Log file, useful mostly for debugging
Tune-8503-101_MerryDancers.abc 1094 ABC music file with the extracted tune(s)
Tune-8503-101_MerryDancers.ps 41072 PostScript
Tune-8503-101_MerryDancers.txt 1094 Plain-text file with the extracted tune(s)
Tune-8503-get.log 4606 Log file, useful mostly for debugging
Tune-85032-get.log 3587 Log file, useful mostly for debugging
Tune-85035-get.log 4507 Log file, useful mostly for debugging
These files should be available for 24 hours.