pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4130-WindThatShakesTheBarley.ps) >>/Users/jc/w/tmp/Tune-4130-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/WindThatShakesTheBarley.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_41302.log 141513 Log file, useful mostly for debugging
Tune-4130-WindThatShakesTheBarley.abc 2262 ABC music file with the extracted tune(s)
Tune-4130-WindThatShakesTheBarley.ps 44879 PostScript
Tune-4130-WindThatShakesTheBarley.txt 2262 Plain-text file with the extracted tune(s)
Tune-4130-get.log 5220 Log file, useful mostly for debugging
Tune-41307-Misc3.abc 1688 ABC music file with the extracted tune(s)
Tune-41307-Misc3.pdf 41462 Portable Data Format
Tune-41307-Misc3.ps 47761 PostScript
Tune-41307-Misc3.txt 1688 Plain-text file with the extracted tune(s)
Tune-41307-get.log 4996 Log file, useful mostly for debugging
These files should be available for 24 hours.