Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book15/proto.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-2303-get.log 7910 Log file, useful mostly for debugging
Tune-2303-proto.abc 144 ABC music file with the extracted tune(s)
Tune-2303-proto.txt 144 Plain-text file with the extracted tune(s)
Tune-23031-get.log 4356 Log file, useful mostly for debugging
Tune-23032-get.log 9490 Log file, useful mostly for debugging
Tune-23033-get.log 4737 Log file, useful mostly for debugging
Tune-23034-get.log 4706 Log file, useful mostly for debugging
These files should be available for 24 hours.