Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/24FavouriteDances_1783_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6429-24FavouriteDances_1783_Straight.ps) >>/Users/jc/w/tmp/Tune-6429-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Whetherly21/24FavouriteDances_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
Coll_64293.log 672611 Log file, useful mostly for debugging
Coll_64294.log 162967 Log file, useful mostly for debugging
Tune-6429-24FavouriteDances_1783_Straight.abc 175 ABC music file with the extracted tune(s)
Tune-6429-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-6429-24FavouriteDances_1783_Straight.txt 175 Plain-text file with the extracted tune(s)
Tune-6429-get.log 4547 Log file, useful mostly for debugging
Tune-64291-get.log 4454 Log file, useful mostly for debugging
Tune-64294-get.log 8132 Log file, useful mostly for debugging
These files should be available for 24 hours.