pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2722-Playford_ceolas.ps) >>/Users/jc/w/tmp/Tune-2722-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/src/Playford_ceolas.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Find_2722.log 1754 Log file, useful mostly for debugging
Form_27227.log 834 Log file, useful mostly for debugging
Form_27229.log 497 Log file, useful mostly for debugging
Tune-2722-Playford_ceolas.abc 738 ABC music file with the extracted tune(s)
Tune-2722-Playford_ceolas.ps 32421 PostScript
Tune-2722-Playford_ceolas.txt 738 Plain-text file with the extracted tune(s)
Tune-2722-get.log 23725 Log file, useful mostly for debugging
Tune-27220-get.log 7128 Log file, useful mostly for debugging
Tune-27227-get.log 7542 Log file, useful mostly for debugging
These files should be available for 24 hours.