pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4142-irish_trad_fidd_music.ps) >>/Users/jc/w/tmp/Tune-4142-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Perron-Miller/irish_trad_fidd_music.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_41420.log 561703 Log file, useful mostly for debugging
Coll_41423.log 396921 Log file, useful mostly for debugging
Coll_41429.log 0 Log file, useful mostly for debugging
Form_41422.log 839 Log file, useful mostly for debugging
Tune-4142-get.log 4715 Log file, useful mostly for debugging
Tune-4142-irish_trad_fidd_music.abc 447 ABC music file with the extracted tune(s)
Tune-4142-irish_trad_fidd_music.ps 36066 PostScript
Tune-4142-irish_trad_fidd_music.txt 447 Plain-text file with the extracted tune(s)
Tune-41421-get.log 4078 Log file, useful mostly for debugging
Tune-41422-get.log 12740 Log file, useful mostly for debugging
Tune-41429-get.log 5590 Log file, useful mostly for debugging
These files should be available for 24 hours.