pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1752-DarkIsland.ps) >>/Users/jc/w/tmp/Tune-1752-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/DarkIsland.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_17521.log 285735 Log file, useful mostly for debugging
Coll_17524.log 285735 Log file, useful mostly for debugging
Coll_17526.log 284330 Log file, useful mostly for debugging
Coll_17529.log 129906 Log file, useful mostly for debugging
Tune-1752-DarkIsland.abc 1317 ABC music file with the extracted tune(s)
Tune-1752-DarkIsland.ps 41343 PostScript
Tune-1752-DarkIsland.txt 1317 Plain-text file with the extracted tune(s)
Tune-1752-get.log 5851 Log file, useful mostly for debugging
These files should be available for 24 hours.