Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM2/24CountryDances_1748_TDavis.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1649-24CountryDances_1748_TDavis.ps) >>/Users/jc/w/tmp/Tune-1649-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM2/24CountryDances_1748_TDavis.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_16498.log 349932 Log file, useful mostly for debugging
Tune-1649-24CountryDances_1748_TDavis.abc 163 ABC music file with the extracted tune(s)
Tune-1649-24CountryDances_1748_TDavis.ps 6 PostScript
Tune-1649-24CountryDances_1748_TDavis.txt 163 Plain-text file with the extracted tune(s)
Tune-1649-get.log 4417 Log file, useful mostly for debugging
Tune-16494-get.log 4325 Log file, useful mostly for debugging
Tune-16496-Kohlers1.abc 145 ABC music file with the extracted tune(s)
Tune-16496-Kohlers1.txt 145 Plain-text file with the extracted tune(s)
Tune-16496-get.log 7645 Log file, useful mostly for debugging
Tune-16498-GentlemansMagazine.abc 155 ABC music file with the extracted tune(s)
Tune-16498-GentlemansMagazine.pdf 2217 Portable Data Format
Tune-16498-GentlemansMagazine.ps 6 PostScript
Tune-16498-GentlemansMagazine.txt 155 Plain-text file with the extracted tune(s)
Tune-16498-get.log 5114 Log file, useful mostly for debugging
These files should be available for 24 hours.