pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38403-tunes.ps) >>/Users/jc/w/tmp/Tune-38403-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/HenryFord/GoodMorning/tunes.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-38403-get.log 4278 Log file, useful mostly for debugging
Tune-38403-tunes.abc 833 ABC music file with the extracted tune(s)
Tune-38403-tunes.ps 37939 PostScript
Tune-38403-tunes.txt 833 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.