818. Guitar Man by Elvis Presley (1968, 1981)

Jerry Reed scored a modest hit with "Guitar Man" in 1967. The following year, Elvis covered the song in his comeback special. In 1981, a remixed Elvis version hit #1 on the country charts and hit #28 on the pop charts.

Elvis '68:

http://www.youtube.com/watch?v=G3gkBMuyq8U

Remix:

http://www.youtube.com/watch?v=FC_n9e4VOPI

Jerry Reed:

http://www.youtube.com/watch?v=bNaN4aZJiZU