Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1813/24CountryDances_1767_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9183-24CountryDances_1767_Thompson.ps) >>/Users/jc/w/tmp/Tune-9183-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1813/24CountryDances_1767_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-9183-24CountryDances_1767_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-9183-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-9183-24CountryDances_1767_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-9183-get.log 4463 Log file, useful mostly for debugging
Tune-91833-get.log 4211 Log file, useful mostly for debugging
Tune-91834-ThomasMarsden.abc 150 ABC music file with the extracted tune(s)
Tune-91834-ThomasMarsden.txt 150 Plain-text file with the extracted tune(s)
Tune-91834-get.log 3238 Log file, useful mostly for debugging
Tune-91837-ArthursSeatWaltzes.abc 154 ABC music file with the extracted tune(s)
Tune-91837-ArthursSeatWaltzes.ps 6 PostScript
Tune-91837-ArthursSeatWaltzes.txt 154 Plain-text file with the extracted tune(s)
Tune-91837-get.log 4274 Log file, useful mostly for debugging
Tune-91839-get.log 4578 Log file, useful mostly for debugging
These files should be available for 24 hours.