pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-43591-Polka_HeelAndToe.ps) >>/Users/jc/w/tmp/Tune-43591-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/England/xmas/Polka_HeelAndToe.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
Coll_43591.log 69854 Log file, useful mostly for debugging
Form_43591.log 743 Log file, useful mostly for debugging
Tune-43591-Polka_HeelAndToe.abc 190 ABC music file with the extracted tune(s)
Tune-43591-Polka_HeelAndToe.ps 32731 PostScript
Tune-43591-Polka_HeelAndToe.txt 190 Plain-text file with the extracted tune(s)
Tune-43591-get.log 4305 Log file, useful mostly for debugging
These files should be available for 24 hours.