pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8830-692_Whos_afraid.ps) >>/Users/jc/w/tmp/Tune-8830-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1778/Thompson/692_Whos_afraid.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_88304.log 294165 Log file, useful mostly for debugging
Tune-8830-692_Whos_afraid.abc 828 ABC music file with the extracted tune(s)
Tune-8830-692_Whos_afraid.ps 33581 PostScript
Tune-8830-692_Whos_afraid.txt 828 Plain-text file with the extracted tune(s)
Tune-8830-get.log 4578 Log file, useful mostly for debugging
Tune-88301-get.log 4702 Log file, useful mostly for debugging
Tune-88303-get.log 5084 Log file, useful mostly for debugging
These files should be available for 24 hours.