Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book42/24CountryDances_1791_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2263-24CountryDances_1791_Thompson.ps) >>/Users/jc/w/tmp/Tune-2263-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book42/24CountryDances_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-2263-24CountryDances_1791_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-2263-24CountryDances_1791_Thompson.ps 6 PostScript
Tune-2263-24CountryDances_1791_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-2263-get.log 13418 Log file, useful mostly for debugging
Tune-22630-get.log 8434 Log file, useful mostly for debugging
Tune-22631-get.log 4189 Log file, useful mostly for debugging
Tune-22633-get.log 9353 Log file, useful mostly for debugging
Tune-22636-get.log 12115 Log file, useful mostly for debugging
Tune-22637-24NewCotillons_1770_Longman.abc 166 ABC music file with the extracted tune(s)
Tune-22637-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-22637-24NewCotillons_1770_Longman.txt 166 Plain-text file with the extracted tune(s)
Tune-22637-get.log 8826 Log file, useful mostly for debugging
Tune-22638-get.log 4737 Log file, useful mostly for debugging
Tune-22639-get.log 4707 Log file, useful mostly for debugging
These files should be available for 24 hours.