Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/_/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_83103.log 281520 Log file, useful mostly for debugging
Find_83104.log 1415 Log file, useful mostly for debugging
Sess-83100.log 10392288 Log file, useful mostly for debugging
Tune-8310-get.log 3037 Log file, useful mostly for debugging
Tune-8310-proto.abc 139 ABC music file with the extracted tune(s)
Tune-8310-proto.txt 139 Plain-text file with the extracted tune(s)
Tune-83100-get.log 4869 Log file, useful mostly for debugging
Tune-83104-24CountryDances_1766.abc 154 ABC music file with the extracted tune(s)
Tune-83104-24CountryDances_1766.ps 6 PostScript
Tune-83104-24CountryDances_1766.txt 154 Plain-text file with the extracted tune(s)
Tune-83104-get.log 4181 Log file, useful mostly for debugging
These files should be available for 24 hours.