Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book03/Nelson.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_90371.log 275904 Log file, useful mostly for debugging
Tune-90371-Nelson.abc 145 ABC music file with the extracted tune(s)
Tune-90371-Nelson.txt 145 Plain-text file with the extracted tune(s)
Tune-90371-get.log 7620 Log file, useful mostly for debugging
These files should be available for 24 hours.