pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94760-0196.ps) >>/Users/jc/w/tmp/Tune-94760-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Athole/X/0196.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-94760-0196.abc 305 ABC music file with the extracted tune(s)
Tune-94760-0196.ps 34540 PostScript
Tune-94760-0196.txt 305 Plain-text file with the extracted tune(s)
Tune-94760-get.log 4584 Log file, useful mostly for debugging
These files should be available for 24 hours.