Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/jig/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_53643.log 464010 Log file, useful mostly for debugging
Coll_53648.log 448610 Log file, useful mostly for debugging
Coll_53649.log 1180021 Log file, useful mostly for debugging
Form_53640.log 1005 Log file, useful mostly for debugging
Tune-5364-Gow-CSR1-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-5364-Gow-CSR1-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-5364-get.log 7170 Log file, useful mostly for debugging
Tune-53640-get.log 5421 Log file, useful mostly for debugging
Tune-53644-get.log 2869 Log file, useful mostly for debugging
Tune-53648-get.log 3790 Log file, useful mostly for debugging
These files should be available for 24 hours.