pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3742-NewBourreeThe_PLFD1701_458.ps) >>/Users/jc/w/tmp/Tune-3742-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/NewBourreeThe_PLFD1701_458.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_37425.log 459811 Log file, useful mostly for debugging
Form_37426.log 964 Log file, useful mostly for debugging
Tune-3742-NewBourreeThe_PLFD1701_458.abc 360 ABC music file with the extracted tune(s)
Tune-3742-NewBourreeThe_PLFD1701_458.ps 34043 PostScript
Tune-3742-NewBourreeThe_PLFD1701_458.txt 360 Plain-text file with the extracted tune(s)
Tune-3742-get.log 4822 Log file, useful mostly for debugging
Tune-37426-get.log 1474 Log file, useful mostly for debugging
These files should be available for 24 hours.