pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72381-1363_Humours_of_Dublin.ps) >>/Users/jc/w/tmp/Tune-72381-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/1363_Humours_of_Dublin.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_72381.log 247801 Log file, useful mostly for debugging
Tune-72381-1363_Humours_of_Dublin.abc 1193 ABC music file with the extracted tune(s)
Tune-72381-1363_Humours_of_Dublin.ps 45697 PostScript
Tune-72381-1363_Humours_of_Dublin.txt 1193 Plain-text file with the extracted tune(s)
Tune-72381-get.log 4700 Log file, useful mostly for debugging
These files should be available for 24 hours.