Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book47/24CountryDances_1804_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7110-24CountryDances_1804_Thompson.ps) >>/Users/jc/w/tmp/Tune-7110-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book47/24CountryDances_1804_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-7110-24CountryDances_1804_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-7110-24CountryDances_1804_Thompson.ps 6 PostScript
Tune-7110-24CountryDances_1804_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-7110-get.log 4479 Log file, useful mostly for debugging
Tune-71101-get.log 4828 Log file, useful mostly for debugging
Tune-71103-get.log 3652 Log file, useful mostly for debugging
Tune-71106-get.log 10893 Log file, useful mostly for debugging
Tune-71107-get.log 9811 Log file, useful mostly for debugging
Tune-71109-get.log 4541 Log file, useful mostly for debugging
These files should be available for 24 hours.