pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1320-21191_Cock_Up_Your_Beaver.ps) >>/Users/jc/w/tmp/Tune-1320-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/21191_Cock_Up_Your_Beaver.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-1320-21191_Cock_Up_Your_Beaver.abc 691 ABC music file with the extracted tune(s)
Tune-1320-21191_Cock_Up_Your_Beaver.ps 35469 PostScript
Tune-1320-21191_Cock_Up_Your_Beaver.txt 691 Plain-text file with the extracted tune(s)
Tune-1320-get.log 4710 Log file, useful mostly for debugging
Tune-13202-get.log 1409 Log file, useful mostly for debugging
Tune-13207-get.log 1443 Log file, useful mostly for debugging
These files should be available for 24 hours.