pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61632-MacArthurLisa.ps) >>/Users/jc/w/tmp/Tune-61632-get.log 2>&1" returned status 256
http://cranfordpub.com/tunes/abcs/MacArthurLisa.txt

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_61632.log 66074 Log file, useful mostly for debugging
Tune-61632-MacArthurLisa.abc 740 ABC music file with the extracted tune(s)
Tune-61632-MacArthurLisa.ps 35747 PostScript
Tune-61632-MacArthurLisa.txt 740 Plain-text file with the extracted tune(s)
Tune-61632-get.log 6572 Log file, useful mostly for debugging
These files should be available for 24 hours.