Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/_/24CountryDances_1766_Johnson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9346-24CountryDances_1766_Johnson.ps) >>/Users/jc/w/tmp/Tune-9346-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/_/24CountryDances_1766_Johnson.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_93467.log 294165 Log file, useful mostly for debugging
Tune-9346-24CountryDances_1766_Johnson.abc 162 ABC music file with the extracted tune(s)
Tune-9346-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-9346-24CountryDances_1766_Johnson.txt 162 Plain-text file with the extracted tune(s)
Tune-9346-get.log 4428 Log file, useful mostly for debugging
Tune-93460-get.log 5186 Log file, useful mostly for debugging
Tune-93462-Hamilton_HUTB2-1846-V2.abc 156 ABC music file with the extracted tune(s)
Tune-93462-Hamilton_HUTB2-1846-V2.ps 6 PostScript
Tune-93462-Hamilton_HUTB2-1846-V2.txt 156 Plain-text file with the extracted tune(s)
Tune-93462-get.log 4346 Log file, useful mostly for debugging
Tune-93463-get.log 1392 Log file, useful mostly for debugging
Tune-93464-get.log 4704 Log file, useful mostly for debugging
Tune-93469-get.log 5812 Log file, useful mostly for debugging
These files should be available for 24 hours.