pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40940-Bethankit.ps) >>/Users/jc/w/tmp/Tune-40940-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/Bethankit.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_40940.log 520373 Log file, useful mostly for debugging
Tune-40940-Bethankit.abc 2118 ABC music file with the extracted tune(s)
Tune-40940-Bethankit.ps 49853 PostScript
Tune-40940-Bethankit.txt 2118 Plain-text file with the extracted tune(s)
Tune-40940-get.log 4779 Log file, useful mostly for debugging
These files should be available for 24 hours.