Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CDoT/PaulBackstrom-LfD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3036-PaulBackstrom-LfD.ps) >>/Users/jc/w/tmp/Tune-3036-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CDoT/PaulBackstrom-LfD.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-3036-24CountryDances_1767_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-3036-24CountryDances_1767_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-3036-PaulBackstrom-LfD.abc 154 ABC music file with the extracted tune(s)
Tune-3036-PaulBackstrom-LfD.ps 6 PostScript
Tune-3036-PaulBackstrom-LfD.txt 154 Plain-text file with the extracted tune(s)
Tune-3036-get.log 7729 Log file, useful mostly for debugging
Tune-30362-flowers_of_Edinburgh.abc 159 ABC music file with the extracted tune(s)
Tune-30362-flowers_of_Edinburgh.txt 159 Plain-text file with the extracted tune(s)
Tune-30362-get.log 3378 Log file, useful mostly for debugging
Tune-30363-DanielWright_ECPMH.abc 162 ABC music file with the extracted tune(s)
Tune-30363-DanielWright_ECPMH.txt 162 Plain-text file with the extracted tune(s)
Tune-30363-get.log 3372 Log file, useful mostly for debugging
These files should be available for 24 hours.