pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8701-10751_.ps) >>/Users/jc/w/tmp/Tune-8701-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/10751_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-8701-10751_.abc 50 ABC music file with the extracted tune(s)
Tune-8701-10751_.ps 6 PostScript
Tune-8701-10751_.txt 50 Plain-text file with the extracted tune(s)
Tune-8701-get.log 3796 Log file, useful mostly for debugging
Tune-87010-005_Polystons_Hornpipe.abc 913 ABC music file with the extracted tune(s)
Tune-87010-005_Polystons_Hornpipe.ps 38400 PostScript
Tune-87010-005_Polystons_Hornpipe.txt 913 Plain-text file with the extracted tune(s)
Tune-87010-get.log 4818 Log file, useful mostly for debugging
These files should be available for 24 hours.