pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-972-0864_JACK_IN_THE_WEST.ps) >>/Users/jc/w/tmp/Tune-972-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/0864_JACK_IN_THE_WEST.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_97215.log 276685 Log file, useful mostly for debugging
Coll_97257.log 1020083 Log file, useful mostly for debugging
Coll_97293.log 1024283 Log file, useful mostly for debugging
Form_97282.log 970 Log file, useful mostly for debugging
Sess-97208.log 1579648 Log file, useful mostly for debugging
Tune-972-0864_JACK_IN_THE_WEST.abc 566 ABC music file with the extracted tune(s)
Tune-972-0864_JACK_IN_THE_WEST.ps 33808 PostScript
Tune-972-0864_JACK_IN_THE_WEST.txt 566 Plain-text file with the extracted tune(s)
Tune-972-get.log 4753 Log file, useful mostly for debugging
Tune-97202-get.log 1480 Log file, useful mostly for debugging
Tune-97209-get.log 1543 Log file, useful mostly for debugging
Tune-97226-get.log 1417 Log file, useful mostly for debugging
Tune-97235-get.log 1571 Log file, useful mostly for debugging
Tune-97241-get.log 1516 Log file, useful mostly for debugging
Tune-97247-get.log 1460 Log file, useful mostly for debugging
Tune-97251-get.log 1515 Log file, useful mostly for debugging
Tune-97268-get.log 1475 Log file, useful mostly for debugging
Tune-97272-get.log 1420 Log file, useful mostly for debugging
Tune-97276-get.log 1362 Log file, useful mostly for debugging
Tune-97289-get.log 1474 Log file, useful mostly for debugging
These files should be available for 24 hours.