Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM2/24CountryDances_1813_Button_Whitaker.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4678-24CountryDances_1813_Button_Whitaker.ps) >>/Users/jc/w/tmp/Tune-4678-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM2/24CountryDances_1813_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-4678-24CountryDances_1813_Button_Whitaker.abc 172 ABC music file with the extracted tune(s)
Tune-4678-24CountryDances_1813_Button_Whitaker.ps 6 PostScript
Tune-4678-24CountryDances_1813_Button_Whitaker.txt 172 Plain-text file with the extracted tune(s)
Tune-4678-get.log 4602 Log file, useful mostly for debugging
Tune-46782-21462_Spanish_Sett_tune_2-001.svg 16699 Scalable Vector Graphics format
Tune-46782-21462_Spanish_Sett_tune_2.abc 906 ABC music file with the extracted tune(s)
Tune-46782-21462_Spanish_Sett_tune_2.txt 906 Plain-text file with the extracted tune(s)
Tune-46782-get.log 9268 Log file, useful mostly for debugging
Tune-46785-EliasHowe_MusiciansCompanionP2-1843-V2.abc 175 ABC music file with the extracted tune(s)
Tune-46785-EliasHowe_MusiciansCompanionP2-1843-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-46785-get.log 8881 Log file, useful mostly for debugging
Tune-46786-472_When_the_Hollow_Drum.abc 1044 ABC music file with the extracted tune(s)
Tune-46786-472_When_the_Hollow_Drum.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-46786-472_When_the_Hollow_Drum.ps 35435 PostScript
Tune-46786-472_When_the_Hollow_Drum.txt 1044 Plain-text file with the extracted tune(s)
Tune-46786-get.log 5757 Log file, useful mostly for debugging
Tune-46789-get.log 5958 Log file, useful mostly for debugging
These files should be available for 24 hours.