pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38315-20641_Poor_Joe_the_Marine.ps) >>/Users/jc/w/tmp/Tune-38315-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20641_Poor_Joe_the_Marine.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_38315.log 454210 Log file, useful mostly for debugging
Tune-38315-20641_Poor_Joe_the_Marine.abc 619 ABC music file with the extracted tune(s)
Tune-38315-20641_Poor_Joe_the_Marine.ps 36379 PostScript
Tune-38315-20641_Poor_Joe_the_Marine.txt 619 Plain-text file with the extracted tune(s)
Tune-38315-get.log 4731 Log file, useful mostly for debugging
These files should be available for 24 hours.