Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1762/24FavouriteDances_1784_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2739-24FavouriteDances_1784_Straight.ps) >>/Users/jc/w/tmp/Tune-2739-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1762/24FavouriteDances_1784_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-2739-24FavouriteDances_1784_Straight.abc 168 ABC music file with the extracted tune(s)
Tune-2739-24FavouriteDances_1784_Straight.ps 6 PostScript
Tune-2739-24FavouriteDances_1784_Straight.txt 168 Plain-text file with the extracted tune(s)
Tune-2739-get.log 4507 Log file, useful mostly for debugging
Tune-27392-get.log 8189 Log file, useful mostly for debugging
Tune-27393-24CountryDances_1803_Gray_Thompson.abc 187 ABC music file with the extracted tune(s)
Tune-27393-24CountryDances_1803_Gray_Thompson.ps 6 PostScript
Tune-27393-24CountryDances_1803_Gray_Thompson.txt 187 Plain-text file with the extracted tune(s)
Tune-27393-get.log 9336 Log file, useful mostly for debugging
Tune-27395-get.log 5387 Log file, useful mostly for debugging
Tune-27397-24CountryDances_1810_Button_Whitaker_Elegant.abc 187 ABC music file with the extracted tune(s)
Tune-27397-24CountryDances_1810_Button_Whitaker_Elegant.ps 6 PostScript
Tune-27397-24CountryDances_1810_Button_Whitaker_Elegant.txt 187 Plain-text file with the extracted tune(s)
Tune-27397-get.log 4866 Log file, useful mostly for debugging
Tune-27398-get.log 5038 Log file, useful mostly for debugging
These files should be available for 24 hours.