pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7596-0002_Title.ps) >>/Users/jc/w/tmp/Tune-7596-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/0002_Title.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_75962.log 459808 Log file, useful mostly for debugging
Coll_75964.log 747422 Log file, useful mostly for debugging
Tune-7596-0002_Title.abc 542 ABC music file with the extracted tune(s)
Tune-7596-0002_Title.ps 31327 PostScript
Tune-7596-0002_Title.txt 542 Plain-text file with the extracted tune(s)
Tune-7596-get.log 4419 Log file, useful mostly for debugging
Tune-75960-get.log 3140 Log file, useful mostly for debugging
These files should be available for 24 hours.