Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CCCCD2/24CountryDances_1791_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7208-24CountryDances_1791_Thompson.ps) >>/Users/jc/w/tmp/Tune-7208-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CCCCD2/24CountryDances_1791_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-7208-24CountryDances_1791_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-7208-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-7208-24CountryDances_1791_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-7208-get.log 242715 Log file, useful mostly for debugging
Tune-72080-get.log 11083 Log file, useful mostly for debugging
Tune-72081-get.log 13620 Log file, useful mostly for debugging
Tune-72085-get.log 9761 Log file, useful mostly for debugging
Tune-72087-get.log 4513 Log file, useful mostly for debugging
Tune-72088-get.log 4643 Log file, useful mostly for debugging
Tune-72089-get.log 4406 Log file, useful mostly for debugging
These files should be available for 24 hours.