Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MCCD/24CountryDances_1810_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6142-24CountryDances_1810_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-6142-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MCCD/24CountryDances_1810_Button_Whitaker.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-6142-24CountryDances_1810_Button_Whitaker.abc 173 ABC music file with the extracted tune(s)
Tune-6142-24CountryDances_1810_Button_Whitaker.ps 6 PostScript
Tune-6142-24CountryDances_1810_Button_Whitaker.txt 173 Plain-text file with the extracted tune(s)
Tune-6142-get.log 4608 Log file, useful mostly for debugging
Tune-61421-get.log 8828 Log file, useful mostly for debugging
Tune-61422-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.abc 189 ABC music file with the extracted tune(s)
Tune-61422-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.pdf 2217 Portable Data Format
Tune-61422-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.ps 6 PostScript
Tune-61422-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_2.txt 189 Plain-text file with the extracted tune(s)
Tune-61422-get.log 6052 Log file, useful mostly for debugging
Tune-61424-get.log 1319 Log file, useful mostly for debugging
Tune-61426-get.log 1499 Log file, useful mostly for debugging
These files should be available for 24 hours.