Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book42/24CountryDances_1803_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6684-24CountryDances_1803_Preston.ps) >>/Users/jc/w/tmp/Tune-6684-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book42/24CountryDances_1803_Preston.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_66842.log 111617 Log file, useful mostly for debugging
Find_66846.log 1527 Log file, useful mostly for debugging
Tune-6684-24CountryDances_1803_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-6684-24CountryDances_1803_Preston.ps 6 PostScript
Tune-6684-24CountryDances_1803_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-6684-get.log 16302 Log file, useful mostly for debugging
Tune-66840-get.log 4373 Log file, useful mostly for debugging
Tune-66842-get.log 4059 Log file, useful mostly for debugging
Tune-66843-get.log 4411 Log file, useful mostly for debugging
Tune-66844-get.log 3238 Log file, useful mostly for debugging
Tune-66848-get.log 4007 Log file, useful mostly for debugging
Tune-66849-get.log 4350 Log file, useful mostly for debugging
These files should be available for 24 hours.