pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6318-139038_the_Rambling_Pitchfork.ps) >>/Users/jc/w/tmp/Tune-6318-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM1/139038_the_Rambling_Pitchfork.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_63181.log 63644 Log file, useful mostly for debugging
Coll_63184.log 63914 Log file, useful mostly for debugging
Form_63182.log 773 Log file, useful mostly for debugging
Form_63187.log 1487 Log file, useful mostly for debugging
Tune-6318-139038_the_Rambling_Pitchfork.abc 379 ABC music file with the extracted tune(s)
Tune-6318-139038_the_Rambling_Pitchfork.ps 34649 PostScript
Tune-6318-139038_the_Rambling_Pitchfork.txt 379 Plain-text file with the extracted tune(s)
Tune-6318-get.log 4665 Log file, useful mostly for debugging
Tune-63185-get.log 5104 Log file, useful mostly for debugging
Tune-63188-get.log 5343 Log file, useful mostly for debugging
These files should be available for 24 hours.