Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Kerr/new/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
Form_75704.log 1034 Log file, useful mostly for debugging
Tune-75704-MM4-V1.abc 147 ABC music file with the extracted tune(s)
Tune-75704-MM4-V1.txt 147 Plain-text file with the extracted tune(s)
Tune-75704-get.log 3103 Log file, useful mostly for debugging
These files should be available for 24 hours.