Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book32/24CountryDances_1782_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6900-24CountryDances_1782_Thompson.ps) >>/Users/jc/w/tmp/Tune-6900-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book32/24CountryDances_1782_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-6900-24CountryDances_1782_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-6900-24CountryDances_1782_Thompson.ps 6 PostScript
Tune-6900-24CountryDances_1782_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-6900-get.log 12808 Log file, useful mostly for debugging
Tune-69001-get.log 3512 Log file, useful mostly for debugging
Tune-69003-get.log 7400 Log file, useful mostly for debugging
Tune-69007-get.log 4145 Log file, useful mostly for debugging
Tune-69008-get.log 15927 Log file, useful mostly for debugging
These files should be available for 24 hours.