pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36631-RedRoseAndWhite0.ps) >>/Users/jc/w/tmp/Tune-36631-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/RedRoseAndWhite0.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_36631.log 459956 Log file, useful mostly for debugging
Tune-36631-MachineWithoutHorses.abc 1982 ABC music file with the extracted tune(s)
Tune-36631-MachineWithoutHorses.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-36631-MachineWithoutHorses.ps 49269 PostScript
Tune-36631-MachineWithoutHorses.txt 1982 Plain-text file with the extracted tune(s)
Tune-36631-RedRoseAndWhite0.abc 1675 ABC music file with the extracted tune(s)
Tune-36631-RedRoseAndWhite0.ps 43333 PostScript
Tune-36631-RedRoseAndWhite0.txt 1675 Plain-text file with the extracted tune(s)
Tune-36631-get.log 10461 Log file, useful mostly for debugging
These files should be available for 24 hours.