Elvis might have compromised his musical style a bit towards the end, but that doesn't mean that artists from the rock n' roll/folk-roots culture - of which he was not really a part - shouldn't get better as they get older, like the great jazz or blues artists.
Bonnie RaittI finally learned to accept that I can't make radio play blues any more than I could get Reagan out of the White House.
Bonnie Raitt