Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Ruby/proto.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_65061.log 801751 Log file, useful mostly for debugging
Tune-65061-get.log 3005 Log file, useful mostly for debugging
Tune-65061-proto.abc 346 ABC music file with the extracted tune(s)
Tune-65061-proto.txt 346 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.