pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2760-BettyLousReel1.ps) >>/Users/jc/w/tmp/Tune-2760-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BettyLousReel1.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_27603.log 287140 Log file, useful mostly for debugging
Coll_27605.log 285735 Log file, useful mostly for debugging
Tune-2760-BettyLousReel1.abc 1391 ABC music file with the extracted tune(s)
Tune-2760-BettyLousReel1.ps 42185 PostScript
Tune-2760-BettyLousReel1.txt 1391 Plain-text file with the extracted tune(s)
Tune-2760-get.log 4459 Log file, useful mostly for debugging
These files should be available for 24 hours.