Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1766/book_of_rights.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Form_99361.log 827 Log file, useful mostly for debugging
Form_99369.log 1005 Log file, useful mostly for debugging
Tune-9936-book_of_rights.abc 151 ABC music file with the extracted tune(s)
Tune-9936-book_of_rights.txt 151 Plain-text file with the extracted tune(s)
Tune-9936-get.log 3215 Log file, useful mostly for debugging
Tune-99363-get.log 3332 Log file, useful mostly for debugging
Tune-99369-ThomasMarsden.abc 150 ABC music file with the extracted tune(s)
Tune-99369-ThomasMarsden.ps 6 PostScript
Tune-99369-ThomasMarsden.txt 150 Plain-text file with the extracted tune(s)
Tune-99369-get.log 17083 Log file, useful mostly for debugging
These files should be available for 24 hours.