pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5758-20891_.ps) >>/Users/jc/w/tmp/Tune-5758-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/20891_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-5758-20891_.abc 50 ABC music file with the extracted tune(s)
Tune-5758-20891_.ps 6 PostScript
Tune-5758-20891_.txt 50 Plain-text file with the extracted tune(s)
Tune-5758-get.log 3794 Log file, useful mostly for debugging
Tune-57580-all.abc 163 ABC music file with the extracted tune(s)
Tune-57580-all.txt 163 Plain-text file with the extracted tune(s)
Tune-57580-get.log 2790 Log file, useful mostly for debugging
Tune-57588-Far_Away_Boys.abc 459 ABC music file with the extracted tune(s)
Tune-57588-Far_Away_Boys.ps 35181 PostScript
Tune-57588-Far_Away_Boys.txt 459 Plain-text file with the extracted tune(s)
Tune-57588-get.log 4886 Log file, useful mostly for debugging
These files should be available for 24 hours.