Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1808/Gow-CSR1-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_9677.log 1092741 Log file, useful mostly for debugging
Coll_96770.log 551800 Log file, useful mostly for debugging
Coll_96775.log 280115 Log file, useful mostly for debugging
Coll_96776.log 282925 Log file, useful mostly for debugging
Tune-9677-Gow-CSR1-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-9677-Gow-CSR1-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-9677-get.log 3199 Log file, useful mostly for debugging
These files should be available for 24 hours.