Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/tune/ViolaRuth_PWFT.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8969-ViolaRuth_PWFT.ps) >>/Users/jc/w/tmp/Tune-8969-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/tune/ViolaRuth_PWFT.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-8969-ViolaRuth_PWFT.abc 151 ABC music file with the extracted tune(s)
Tune-8969-ViolaRuth_PWFT.ps 6 PostScript
Tune-8969-ViolaRuth_PWFT.txt 151 Plain-text file with the extracted tune(s)
Tune-8969-get.log 9085 Log file, useful mostly for debugging
Tune-89690-get.log 13374 Log file, useful mostly for debugging
Tune-89692-get.log 9523 Log file, useful mostly for debugging
Tune-89693-get.log 3356 Log file, useful mostly for debugging
Tune-89697-get.log 8825 Log file, useful mostly for debugging
Tune-89698-get.log 11526 Log file, useful mostly for debugging
Tune-89699-get.log 4597 Log file, useful mostly for debugging
These files should be available for 24 hours.