Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/_/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_78911.log 287140 Log file, useful mostly for debugging
Coll_78913.log 227 Log file, useful mostly for debugging
Coll_78917.log 281520 Log file, useful mostly for debugging
Tune-7891-Kerr_MM4-V1.abc 145 ABC music file with the extracted tune(s)
Tune-7891-Kerr_MM4-V1.txt 145 Plain-text file with the extracted tune(s)
Tune-7891-get.log 3139 Log file, useful mostly for debugging
Tune-78910-get.log 1405 Log file, useful mostly for debugging
Tune-78914-get.log 1400 Log file, useful mostly for debugging
Tune-78919-get.log 5575 Log file, useful mostly for debugging
These files should be available for 24 hours.