pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6853-TodlenHame1.ps) >>/Users/jc/w/tmp/Tune-6853-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/TodlenHame1.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_68531.log 285735 Log file, useful mostly for debugging
Coll_68533.log 1189851 Log file, useful mostly for debugging
Coll_68538.log 280115 Log file, useful mostly for debugging
Tune-6853-TodlenHame1.abc 1447 ABC music file with the extracted tune(s)
Tune-6853-TodlenHame1.ps 44516 PostScript
Tune-6853-TodlenHame1.txt 1447 Plain-text file with the extracted tune(s)
Tune-6853-get.log 4822 Log file, useful mostly for debugging
These files should be available for 24 hours.