Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1801/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_89690.log 533220 Log file, useful mostly for debugging
Coll_89691.log 468207 Log file, useful mostly for debugging
Coll_89695.log 268009 Log file, useful mostly for debugging
Coll_89697.log 266610 Log file, useful mostly for debugging
Form_8969.log 955 Log file, useful mostly for debugging
Form_89695.log 819 Log file, useful mostly for debugging
Tune-8969-Gow-CSR3-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-8969-Gow-CSR3-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-8969-get.log 16804 Log file, useful mostly for debugging
Tune-89691-get.log 4395 Log file, useful mostly for debugging
Tune-89692-get.log 10449 Log file, useful mostly for debugging
Tune-89693-get.log 4851 Log file, useful mostly for debugging
Tune-89696-get.log 11203 Log file, useful mostly for debugging
Tune-89697-get.log 6480 Log file, useful mostly for debugging
Tune-89698-get.log 11115 Log file, useful mostly for debugging
These files should be available for 24 hours.