Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/waltz/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_67623.log 269410 Log file, useful mostly for debugging
Form_67623.log 992 Log file, useful mostly for debugging
Tune-67623-Nelson.abc 144 ABC music file with the extracted tune(s)
Tune-67623-Nelson.txt 144 Plain-text file with the extracted tune(s)
Tune-67623-get.log 3083 Log file, useful mostly for debugging
These files should be available for 24 hours.