Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book49/24CountryDances_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8290-24CountryDances_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-8290-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book49/24CountryDances_1770_Longman.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-8290-24CountryDances_1770_Longman.abc 167 ABC music file with the extracted tune(s)
Tune-8290-24CountryDances_1770_Longman.ps 6 PostScript
Tune-8290-24CountryDances_1770_Longman.txt 167 Plain-text file with the extracted tune(s)
Tune-8290-get.log 25709 Log file, useful mostly for debugging
Tune-82901-get.log 4541 Log file, useful mostly for debugging
Tune-82905-get.log 4156 Log file, useful mostly for debugging
Tune-82909-get.log 4358 Log file, useful mostly for debugging
These files should be available for 24 hours.