Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book30/_.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Coll_47876.log 1489821 Log file, useful mostly for debugging
Tune-47876-_.abc 140 ABC music file with the extracted tune(s)
Tune-47876-_.txt 140 Plain-text file with the extracted tune(s)
Tune-47876-get.log 3005 Log file, useful mostly for debugging
These files should be available for 24 hours.