pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19745-Star_Light_Night.ps) >>/Users/jc/w/tmp/Tune-19745-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Star_Light_Night.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_19745.log 452809 Log file, useful mostly for debugging
Tune-19745-Star_Light_Night.abc 1212 ABC music file with the extracted tune(s)
Tune-19745-Star_Light_Night.ps 37539 PostScript
Tune-19745-Star_Light_Night.txt 1212 Plain-text file with the extracted tune(s)
Tune-19745-get.log 4548 Log file, useful mostly for debugging
These files should be available for 24 hours.