Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book52/24CountryDances_1812_JGray.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6547-24CountryDances_1812_JGray.ps) >>/Users/jc/w/tmp/Tune-6547-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book52/24CountryDances_1812_JGray.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_65471.log 294165 Log file, useful mostly for debugging
Coll_65474.log 278710 Log file, useful mostly for debugging
Tune-6547-24CountryDances_1812_JGray.abc 165 ABC music file with the extracted tune(s)
Tune-6547-24CountryDances_1812_JGray.ps 6 PostScript
Tune-6547-24CountryDances_1812_JGray.txt 165 Plain-text file with the extracted tune(s)
Tune-6547-get.log 4412 Log file, useful mostly for debugging
Tune-65472-get.log 5249 Log file, useful mostly for debugging
Tune-65473-get.log 1339 Log file, useful mostly for debugging
Tune-65479-Gallini_NewColl44Cot1.abc 162 ABC music file with the extracted tune(s)
Tune-65479-Gallini_NewColl44Cot1.txt 162 Plain-text file with the extracted tune(s)
Tune-65479-get.log 3404 Log file, useful mostly for debugging
These files should be available for 24 hours.