pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1537-FrasersFiddle.ps) >>/Users/jc/w/tmp/Tune-1537-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/FrasersFiddle.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_1537.log 294165 Log file, useful mostly for debugging
Coll_15377.log 603269 Log file, useful mostly for debugging
Tune-1537-FrasersFiddle.abc 903 ABC music file with the extracted tune(s)
Tune-1537-FrasersFiddle.ps 36330 PostScript
Tune-1537-FrasersFiddle.txt 903 Plain-text file with the extracted tune(s)
Tune-1537-get.log 4404 Log file, useful mostly for debugging
Tune-15371-get.log 1352 Log file, useful mostly for debugging
Tune-15372-Crossing0.abc 770 ABC music file with the extracted tune(s)
Tune-15372-Crossing0.ps 39040 PostScript
Tune-15372-Crossing0.txt 770 Plain-text file with the extracted tune(s)
Tune-15372-get.log 4795 Log file, useful mostly for debugging
Tune-15373-get.log 2686 Log file, useful mostly for debugging
Tune-15375-get.log 1495 Log file, useful mostly for debugging
Tune-15378-get.log 1396 Log file, useful mostly for debugging
Tune-15379-get.log 4944 Log file, useful mostly for debugging
These files should be available for 24 hours.