pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-894-HeyToTheCamp.ps) >>/Users/jc/w/tmp/Tune-894-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BruceShawyer/jigs/HeyToTheCamp.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
Coll_89412.log 0 Log file, useful mostly for debugging
Form_89420.log 0 Log file, useful mostly for debugging
Form_89437.log 0 Log file, useful mostly for debugging
Form_8949.log 963 Log file, useful mostly for debugging
Tune-894-HeyToTheCamp.abc 428 ABC music file with the extracted tune(s)
Tune-894-HeyToTheCamp.ps 35920 PostScript
Tune-894-HeyToTheCamp.txt 428 Plain-text file with the extracted tune(s)
Tune-894-get.log 4853 Log file, useful mostly for debugging
Tune-89400-get.log 31637 Log file, useful mostly for debugging
Tune-89402-get.log 0 Log file, useful mostly for debugging
Tune-89431-get.log 0 Log file, useful mostly for debugging
Tune-89439-get.log 3420 Log file, useful mostly for debugging
Tune-89466-get.log 10322 Log file, useful mostly for debugging
Tune-8947-get.log 3826 Log file, useful mostly for debugging
Tune-89484-get.log 3124 Log file, useful mostly for debugging
Tune-89485-get.log 3261 Log file, useful mostly for debugging
These files should be available for 24 hours.