pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61830-DukeofLorrainsMarch_PLFD1657_119.ps) >>/Users/jc/w/tmp/Tune-61830-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/DukeofLorrainsMarch_PLFD1657_119.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_61830.log 930819 Log file, useful mostly for debugging
Tune-61830-DukeofLorrainsMarch_PLFD1657_119.abc 381 ABC music file with the extracted tune(s)
Tune-61830-DukeofLorrainsMarch_PLFD1657_119.ps 33782 PostScript
Tune-61830-DukeofLorrainsMarch_PLFD1657_119.txt 381 Plain-text file with the extracted tune(s)
Tune-61830-get.log 5002 Log file, useful mostly for debugging
These files should be available for 24 hours.