pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6215-10851_Paddy_Whack.ps) >>/Users/jc/w/tmp/Tune-6215-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/10851_Paddy_Whack.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_62150.log 844 Log file, useful mostly for debugging
Form_62154.log 839 Log file, useful mostly for debugging
Form_62158.log 856 Log file, useful mostly for debugging
Form_62159.log 824 Log file, useful mostly for debugging
Tune-6215-10851_Paddy_Whack.abc 509 ABC music file with the extracted tune(s)
Tune-6215-10851_Paddy_Whack.ps 34540 PostScript
Tune-6215-10851_Paddy_Whack.txt 509 Plain-text file with the extracted tune(s)
Tune-6215-get.log 8186 Log file, useful mostly for debugging
Tune-62151-get.log 5805 Log file, useful mostly for debugging
Tune-62154-get.log 4028 Log file, useful mostly for debugging
Tune-62155-get.log 181174 Log file, useful mostly for debugging
Tune-62157-get.log 1538 Log file, useful mostly for debugging
These files should be available for 24 hours.