pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9807-DrunkenPiper_a.ps) >>/Users/jc/w/tmp/Tune-9807-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/500/DrunkenPiper_a.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-9807-DrunkenPiper_a.abc 677 ABC music file with the extracted tune(s)
Tune-9807-DrunkenPiper_a.ps 36402 PostScript
Tune-9807-DrunkenPiper_a.txt 677 Plain-text file with the extracted tune(s)
Tune-9807-get.log 4970 Log file, useful mostly for debugging
Tune-98071-get.log 1416 Log file, useful mostly for debugging
Tune-98072-get.log 15227 Log file, useful mostly for debugging
Tune-98072-reels.abc 443 ABC music file with the extracted tune(s)
Tune-98072-reels.ps 34905 PostScript
Tune-98072-reels.txt 443 Plain-text file with the extracted tune(s)
Tune-98075-get.log 3244 Log file, useful mostly for debugging
These files should be available for 24 hours.