Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book05/Gow-CSR2-abc1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_56600.log 945855 Log file, useful mostly for debugging
Coll_56601.log 481237 Log file, useful mostly for debugging
Coll_56602.log 1345561 Log file, useful mostly for debugging
Coll_56603.log 339979 Log file, useful mostly for debugging
Coll_56608.log 2901821 Log file, useful mostly for debugging
Coll_56609.log 1535687 Log file, useful mostly for debugging
Tune-5660-Gow-CSR2-abc1.abc 356 ABC music file with the extracted tune(s)
Tune-5660-Gow-CSR2-abc1.txt 356 Plain-text file with the extracted tune(s)
Tune-5660-get.log 6413 Log file, useful mostly for debugging
Tune-56600-get.log 57532 Log file, useful mostly for debugging
Tune-56601-get.log 12761 Log file, useful mostly for debugging
Tune-56602-get.log 5493 Log file, useful mostly for debugging
Tune-56604-get.log 1401 Log file, useful mostly for debugging
Tune-56606-get.log 3332 Log file, useful mostly for debugging
Tune-56608-get.log 5419 Log file, useful mostly for debugging
These files should be available for 24 hours.