Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/air/PaulBackstrom-LfD.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_63990.log 476611 Log file, useful mostly for debugging
Coll_63991.log 922419 Log file, useful mostly for debugging
Coll_63996.log 475210 Log file, useful mostly for debugging
Coll_63997.log 462610 Log file, useful mostly for debugging
Tune-6399-PaulBackstrom-LfD.abc 153 ABC music file with the extracted tune(s)
Tune-6399-PaulBackstrom-LfD.txt 153 Plain-text file with the extracted tune(s)
Tune-6399-get.log 3267 Log file, useful mostly for debugging
Tune-63995-get.log 8573 Log file, useful mostly for debugging
Tune-63999-get.log 4790 Log file, useful mostly for debugging
These files should be available for 24 hours.