pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-28718-irish_trad_fidd_music.ps) >>/Users/jc/w/tmp/Tune-28718-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_28718.log 283119 Log file, useful mostly for debugging
Tune-28718-get.log 4832 Log file, useful mostly for debugging
Tune-28718-irish_trad_fidd_music.abc 403 ABC music file with the extracted tune(s)
Tune-28718-irish_trad_fidd_music.ps 35807 PostScript
Tune-28718-irish_trad_fidd_music.txt 403 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.