Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book23/Kerr_MM4-V1.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_21770.log 304409 Log file, useful mostly for debugging
Tune-2177-Kerr_MM4-V1.abc 150 ABC music file with the extracted tune(s)
Tune-2177-Kerr_MM4-V1.txt 150 Plain-text file with the extracted tune(s)
Tune-2177-get.log 4561 Log file, useful mostly for debugging
These files should be available for 24 hours.