pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3065-EdinburghCastle_PLFD1698_376.ps) >>/Users/jc/w/tmp/Tune-3065-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/EdinburghCastle_PLFD1698_376.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_30652.log 447209 Log file, useful mostly for debugging
Coll_30655.log 462610 Log file, useful mostly for debugging
Coll_30656.log 457009 Log file, useful mostly for debugging
Tune-3065-EdinburghCastle_PLFD1698_376.abc 546 ABC music file with the extracted tune(s)
Tune-3065-EdinburghCastle_PLFD1698_376.ps 34182 PostScript
Tune-3065-EdinburghCastle_PLFD1698_376.txt 546 Plain-text file with the extracted tune(s)
Tune-3065-get.log 12360 Log file, useful mostly for debugging
Tune-30652-get.log 5245 Log file, useful mostly for debugging
Tune-30654-get.log 4384 Log file, useful mostly for debugging
These files should be available for 24 hours.