pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7367-Hundred_Pipers-G-32-2.ps) >>/Users/jc/w/tmp/Tune-7367-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/jig/Hundred_Pipers-G-32-2.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_7367.log 131838 Log file, useful mostly for debugging
Coll_73679.log 306810 Log file, useful mostly for debugging
Form_73676.log 1032 Log file, useful mostly for debugging
Tune-7367-Hundred_Pipers-G-32-2.abc 532 ABC music file with the extracted tune(s)
Tune-7367-Hundred_Pipers-G-32-2.ps 34376 PostScript
Tune-7367-Hundred_Pipers-G-32-2.txt 532 Plain-text file with the extracted tune(s)
Tune-7367-get.log 9600 Log file, useful mostly for debugging
Tune-73673-get.log 5574 Log file, useful mostly for debugging
Tune-73675-get.log 3911 Log file, useful mostly for debugging
These files should be available for 24 hours.