pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24882-Hundred_Pipers.ps) >>/Users/jc/w/tmp/Tune-24882-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/jig/Hundred_Pipers.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
Form_24882.log 772 Log file, useful mostly for debugging
Tune-24882-Hundred_Pipers.abc 345 ABC music file with the extracted tune(s)
Tune-24882-Hundred_Pipers.ps 34901 PostScript
Tune-24882-Hundred_Pipers.txt 345 Plain-text file with the extracted tune(s)
Tune-24882-get.log 4425 Log file, useful mostly for debugging
These files should be available for 24 hours.