pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-11793-MargaretsFarewellToDevon.ps) >>/Users/jc/w/tmp/Tune-11793-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/MargaretsFarewellToDevon.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_11793.log 583599 Log file, useful mostly for debugging
Tune-11793-MargaretsFarewellToDevon.abc 2493 ABC music file with the extracted tune(s)
Tune-11793-MargaretsFarewellToDevon.ps 47824 PostScript
Tune-11793-MargaretsFarewellToDevon.txt 2493 Plain-text file with the extracted tune(s)
Tune-11793-get.log 4783 Log file, useful mostly for debugging
These files should be available for 24 hours.