Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1778_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3583-24CountryDances_1778_Thompson.ps) >>/Users/jc/w/tmp/Tune-3583-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1778_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-3583-24CountryDances_1778_Thompson.abc 172 ABC music file with the extracted tune(s)
Tune-3583-24CountryDances_1778_Thompson.ps 6 PostScript
Tune-3583-24CountryDances_1778_Thompson.txt 172 Plain-text file with the extracted tune(s)
Tune-3583-get.log 8986 Log file, useful mostly for debugging
Tune-35830-get.log 16619 Log file, useful mostly for debugging
Tune-35832-get.log 3566 Log file, useful mostly for debugging
Tune-35833-get.log 8322 Log file, useful mostly for debugging
Tune-35835-get.log 11323 Log file, useful mostly for debugging
Tune-35836-get.log 11835 Log file, useful mostly for debugging
Tune-35837-get.log 4835 Log file, useful mostly for debugging
These files should be available for 24 hours.