Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book36/24CountryDances_1779_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8951-24CountryDances_1779_Thompson.ps) >>/Users/jc/w/tmp/Tune-8951-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book36/24CountryDances_1779_Thompson.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-8951-24CountryDances_1779_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-8951-24CountryDances_1779_Thompson.ps 6 PostScript
Tune-8951-24CountryDances_1779_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-8951-get.log 4479 Log file, useful mostly for debugging
Tune-89510-get.log 3536 Log file, useful mostly for debugging
Tune-89512-get.log 4136 Log file, useful mostly for debugging
Tune-89513-get.log 5346 Log file, useful mostly for debugging
Tune-89514-get.log 4488 Log file, useful mostly for debugging
Tune-89515-get.log 13072 Log file, useful mostly for debugging
Tune-89516-get.log 6424 Log file, useful mostly for debugging
Tune-89517-get.log 3550 Log file, useful mostly for debugging
Tune-89518-get.log 12167 Log file, useful mostly for debugging
These files should be available for 24 hours.