pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-48513-20572_Exile_of_Erin.ps) >>/Users/jc/w/tmp/Tune-48513-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20572_Exile_of_Erin.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-48513-20572_Exile_of_Erin.abc 607 ABC music file with the extracted tune(s)
Tune-48513-20572_Exile_of_Erin.ps 36604 PostScript
Tune-48513-20572_Exile_of_Erin.txt 607 Plain-text file with the extracted tune(s)
Tune-48513-get.log 4575 Log file, useful mostly for debugging
These files should be available for 24 hours.