pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7570-c.ps) >>/Users/jc/w/tmp/Tune-7570-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/atrilcoral.com/c.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
Tune-7570-c.abc 319 ABC music file with the extracted tune(s)
Tune-7570-c.ps 32799 PostScript
Tune-7570-c.txt 319 Plain-text file with the extracted tune(s)
Tune-7570-get.log 287450 Log file, useful mostly for debugging
Tune-75705-get.log 34996 Log file, useful mostly for debugging
These files should be available for 24 hours.