pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27383-young_and_foolish.ps) >>/Users/jc/w/tmp/Tune-27383-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jazz/young_and_foolish.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-27383-get.log 13120 Log file, useful mostly for debugging
Tune-27383-young_and_foolish.abc 1550 ABC music file with the extracted tune(s)
Tune-27383-young_and_foolish.ps 41767 PostScript
Tune-27383-young_and_foolish.txt 1550 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.