Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/tune/24FavouriteDances_1783_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6681-24FavouriteDances_1783_Straight.ps) >>/Users/jc/w/tmp/Tune-6681-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/tune/24FavouriteDances_1783_Straight.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-6681-24FavouriteDances_1783_Straight.abc 168 ABC music file with the extracted tune(s)
Tune-6681-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-6681-24FavouriteDances_1783_Straight.txt 168 Plain-text file with the extracted tune(s)
Tune-6681-get.log 4509 Log file, useful mostly for debugging
Tune-66811-get.log 9845 Log file, useful mostly for debugging
Tune-66812-get.log 4209 Log file, useful mostly for debugging
Tune-66813-get.log 10323 Log file, useful mostly for debugging
Tune-66815-get.log 4334 Log file, useful mostly for debugging
Tune-66817-get.log 13033 Log file, useful mostly for debugging
Tune-66818-get.log 4366 Log file, useful mostly for debugging
These files should be available for 24 hours.