pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37344-Waltz_Xmas1.ps) >>/Users/jc/w/tmp/Tune-37344-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/Waltz_Xmas1.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_37344.log 151834 Log file, useful mostly for debugging
Tune-37344-Waltz_Xmas1.abc 1560 ABC music file with the extracted tune(s)
Tune-37344-Waltz_Xmas1.ps 43420 PostScript
Tune-37344-Waltz_Xmas1.txt 1560 Plain-text file with the extracted tune(s)
Tune-37344-get.log 4421 Log file, useful mostly for debugging
These files should be available for 24 hours.