pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-91466-2382_the_Banks_of_Allan.ps) >>/Users/jc/w/tmp/Tune-91466-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR12/2382_the_Banks_of_Allan.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-91466-2382_the_Banks_of_Allan.abc 807 ABC music file with the extracted tune(s)
Tune-91466-2382_the_Banks_of_Allan.ps 37403 PostScript
Tune-91466-2382_the_Banks_of_Allan.txt 807 Plain-text file with the extracted tune(s)
Tune-91466-get.log 4788 Log file, useful mostly for debugging
These files should be available for 24 hours.