Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NS_Anniv50/cont.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_21291.log 158417 Log file, useful mostly for debugging
Tune-21291-cont.abc 147 ABC music file with the extracted tune(s)
Tune-21291-cont.txt 147 Plain-text file with the extracted tune(s)
Tune-21291-get.log 3083 Log file, useful mostly for debugging
These files should be available for 24 hours.