pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24551-322_Gather_and_go.ps) >>/Users/jc/w/tmp/Tune-24551-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamChristie/322_Gather_and_go.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-24551-322_Gather_and_go.abc 1541 ABC music file with the extracted tune(s)
Tune-24551-322_Gather_and_go.ps 45451 PostScript
Tune-24551-322_Gather_and_go.txt 1541 Plain-text file with the extracted tune(s)
Tune-24551-get.log 4649 Log file, useful mostly for debugging
These files should be available for 24 hours.