Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1785/Kerr_MM2-V2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_50487.log 426238 Log file, useful mostly for debugging
Tune-5048-Kerr_MM2-V2.abc 148 ABC music file with the extracted tune(s)
Tune-5048-Kerr_MM2-V2.txt 148 Plain-text file with the extracted tune(s)
Tune-5048-get.log 3163 Log file, useful mostly for debugging
Tune-50481-get.log 4243 Log file, useful mostly for debugging
Tune-50483-get.log 1365 Log file, useful mostly for debugging
Tune-50485-get.log 4030 Log file, useful mostly for debugging
Tune-50486-PaulBackstrom-LfD.abc 154 ABC music file with the extracted tune(s)
Tune-50486-PaulBackstrom-LfD.ps 6 PostScript
Tune-50486-PaulBackstrom-LfD.txt 154 Plain-text file with the extracted tune(s)
Tune-50486-get.log 4261 Log file, useful mostly for debugging
These files should be available for 24 hours.