Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/PDF/Gow-CSR3-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_9479.log 694594 Log file, useful mostly for debugging
Coll_94794.log 287140 Log file, useful mostly for debugging
Tune-9479-Gow-CSR3-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-9479-Gow-CSR3-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-9479-get.log 3193 Log file, useful mostly for debugging
Tune-94790-get.log 1495 Log file, useful mostly for debugging
Tune-94798-get.log 5090 Log file, useful mostly for debugging
These files should be available for 24 hours.