pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-32118-Drunken_Sailor.ps) >>/Users/jc/w/tmp/Tune-32118-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/PF/Belmont/Drunken_Sailor/Drunken_Sailor.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-32118-Drunken_Sailor.abc 1656 ABC music file with the extracted tune(s)
Tune-32118-Drunken_Sailor.ps 38521 PostScript
Tune-32118-Drunken_Sailor.txt 1656 Plain-text file with the extracted tune(s)
Tune-32118-get.log 5354 Log file, useful mostly for debugging
These files should be available for 24 hours.