Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/misc/Gow-CR-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_4356.log 149898 Log file, useful mostly for debugging
Coll_43562.log 281520 Log file, useful mostly for debugging
Coll_43567.log 141515 Log file, useful mostly for debugging
Coll_43569.log 280115 Log file, useful mostly for debugging
Find_43565.log 1668 Log file, useful mostly for debugging
Tune-4356-Gow-CR-abc1.abc 148 ABC music file with the extracted tune(s)
Tune-4356-Gow-CR-abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-4356-get.log 3163 Log file, useful mostly for debugging
These files should be available for 24 hours.