Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CNS/24FavouriteDances_1784_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3510-24FavouriteDances_1784_Straight.ps) >>/Users/jc/w/tmp/Tune-3510-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CNS/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-3510-24FavouriteDances_1784_Straight.abc 167 ABC music file with the extracted tune(s)
Tune-3510-24FavouriteDances_1784_Straight.ps 6 PostScript
Tune-3510-24FavouriteDances_1784_Straight.txt 167 Plain-text file with the extracted tune(s)
Tune-3510-get.log 4499 Log file, useful mostly for debugging
Tune-35100-get.log 29570 Log file, useful mostly for debugging
Tune-35102-24CountryDances_1780_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-35102-24CountryDances_1780_Thompson.pdf 2217 Portable Data Format
Tune-35102-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-35102-24CountryDances_1780_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-35102-get.log 5445 Log file, useful mostly for debugging
Tune-35105-24CountryDances_1779_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-35105-24CountryDances_1779_Thompson.ps 6 PostScript
Tune-35105-24CountryDances_1779_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-35105-get.log 4402 Log file, useful mostly for debugging
Tune-35107-get.log 5433 Log file, useful mostly for debugging
Tune-35108-get.log 3314 Log file, useful mostly for debugging
These files should be available for 24 hours.