Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/ECPMH/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_64069.log 309015 Log file, useful mostly for debugging
Form_64066.log 826 Log file, useful mostly for debugging
Tune-6406-Nelson.abc 144 ABC music file with the extracted tune(s)
Tune-6406-Nelson.txt 144 Plain-text file with the extracted tune(s)
Tune-6406-get.log 3081 Log file, useful mostly for debugging
These files should be available for 24 hours.