pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4522-celticjamtunes.ps) >>/Users/jc/w/tmp/Tune-4522-get.log 2>&1" returned status 256
http://celticjam.puckette.com/celticjamtunes.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_45221.log 63374 Log file, useful mostly for debugging
Coll_45227.log 69584 Log file, useful mostly for debugging
Form_45222.log 769 Log file, useful mostly for debugging
Form_45226.log 736 Log file, useful mostly for debugging
Tune-4522-celticjamtunes.abc 311 ABC music file with the extracted tune(s)
Tune-4522-celticjamtunes.ps 35916 PostScript
Tune-4522-celticjamtunes.txt 311 Plain-text file with the extracted tune(s)
Tune-4522-get.log 4212 Log file, useful mostly for debugging
Tune-45223-get.log 4939 Log file, useful mostly for debugging
These files should be available for 24 hours.