Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/NS_Anniv50/24CountryDances_1812_JGray.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6084-24CountryDances_1812_JGray.ps) >>/Users/jc/w/tmp/Tune-6084-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/NS_Anniv50/24CountryDances_1812_JGray.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-6084-24CountryDances_1812_JGray.abc 169 ABC music file with the extracted tune(s)
Tune-6084-24CountryDances_1812_JGray.ps 6 PostScript
Tune-6084-24CountryDances_1812_JGray.txt 169 Plain-text file with the extracted tune(s)
Tune-6084-get.log 12496 Log file, useful mostly for debugging
Tune-60840-get.log 9320 Log file, useful mostly for debugging
Tune-60841-get.log 5694 Log file, useful mostly for debugging
Tune-60846-get.log 8760 Log file, useful mostly for debugging
Tune-60848-get.log 9067 Log file, useful mostly for debugging
These files should be available for 24 hours.