Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book28/24CountryDances_1796_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7192-24CountryDances_1796_Preston.ps) >>/Users/jc/w/tmp/Tune-7192-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book28/24CountryDances_1796_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
Tune-7192-24CountryDances_1796_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-7192-24CountryDances_1796_Preston.ps 6 PostScript
Tune-7192-24CountryDances_1796_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-7192-get.log 4450 Log file, useful mostly for debugging
Tune-71921-get.log 14153 Log file, useful mostly for debugging
Tune-71922-get.log 5588 Log file, useful mostly for debugging
Tune-71923-get.log 4792 Log file, useful mostly for debugging
Tune-71925-get.log 5435 Log file, useful mostly for debugging
Tune-71926-get.log 4215 Log file, useful mostly for debugging
Tune-71927-get.log 7728 Log file, useful mostly for debugging
Tune-71928-get.log 8662 Log file, useful mostly for debugging
These files should be available for 24 hours.