Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/AdvancedSD/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
Tune-4891-Kerr_MM4-V1.abc 154 ABC music file with the extracted tune(s)
Tune-4891-Kerr_MM4-V1.txt 154 Plain-text file with the extracted tune(s)
Tune-4891-get.log 3201 Log file, useful mostly for debugging
Tune-48916-get.log 4401 Log file, useful mostly for debugging
These files should be available for 24 hours.