pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79447-KnitThePockyR.ps) >>/Users/jc/w/tmp/Tune-79447-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/tastysoftware.com/abc/KnitThePockyR.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_79447.log 732 Log file, useful mostly for debugging
Tune-79447-KnitThePockyR.abc 276 ABC music file with the extracted tune(s)
Tune-79447-KnitThePockyR.ps 33662 PostScript
Tune-79447-KnitThePockyR.txt 276 Plain-text file with the extracted tune(s)
Tune-79447-get.log 4366 Log file, useful mostly for debugging
These files should be available for 24 hours.