Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/AdvancedSD/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_97470.log 1532181 Log file, useful mostly for debugging
Coll_97472.log 3569480 Log file, useful mostly for debugging
Coll_97473.log 327469 Log file, useful mostly for debugging
Coll_97474.log 464617 Log file, useful mostly for debugging
Coll_97476.log 349708 Log file, useful mostly for debugging
Coll_97478.log 1592198 Log file, useful mostly for debugging
Tune-9747-Gow-CSR1-abc1.abc 360 ABC music file with the extracted tune(s)
Tune-9747-Gow-CSR1-abc1.txt 360 Plain-text file with the extracted tune(s)
Tune-9747-get.log 3177 Log file, useful mostly for debugging
Tune-97472-get.log 3370 Log file, useful mostly for debugging
Tune-97473-get.log 3434 Log file, useful mostly for debugging
Tune-97475-get.log 4188 Log file, useful mostly for debugging
Tune-97478-get.log 4241 Log file, useful mostly for debugging
Tune-97479-get.log 13215 Log file, useful mostly for debugging
These files should be available for 24 hours.