pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8741-NorthGrove0.ps) >>/Users/jc/w/tmp/Tune-8741-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/NorthGrove0.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_87411.log 274495 Log file, useful mostly for debugging
Tune-8741-NorthGrove0.abc 795 ABC music file with the extracted tune(s)
Tune-8741-NorthGrove0.ps 38786 PostScript
Tune-8741-NorthGrove0.txt 795 Plain-text file with the extracted tune(s)
Tune-8741-get.log 4780 Log file, useful mostly for debugging
Tune-87416-Polka03.abc 1942 ABC music file with the extracted tune(s)
Tune-87416-Polka03.pdf 46391 Portable Data Format
Tune-87416-Polka03.ps 51251 PostScript
Tune-87416-Polka03.txt 1942 Plain-text file with the extracted tune(s)
Tune-87416-get.log 5062 Log file, useful mostly for debugging
These files should be available for 24 hours.