Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Whetherly21/24CountryDances_1781_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4784-24CountryDances_1781_Skillern.ps) >>/Users/jc/w/tmp/Tune-4784-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Whetherly21/24CountryDances_1781_Skillern.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_47843.log 297411 Log file, useful mostly for debugging
Tune-4784-24CountryDances_1781_Skillern.abc 173 ABC music file with the extracted tune(s)
Tune-4784-24CountryDances_1781_Skillern.ps 6 PostScript
Tune-4784-24CountryDances_1781_Skillern.txt 173 Plain-text file with the extracted tune(s)
Tune-4784-get.log 4503 Log file, useful mostly for debugging
Tune-47842-get.log 4320 Log file, useful mostly for debugging
Tune-47846-get.log 3510 Log file, useful mostly for debugging
Tune-47848-get.log 5228 Log file, useful mostly for debugging
Tune-47849-CharlesZeuner_TremontQuadrilles1.abc 169 ABC music file with the extracted tune(s)
Tune-47849-CharlesZeuner_TremontQuadrilles1.txt 169 Plain-text file with the extracted tune(s)
Tune-47849-get.log 3582 Log file, useful mostly for debugging
These files should be available for 24 hours.