Here is Joe Jackson, Todd Rundgren, and Ethel covering The Beatles' "While My Guitar Gently Weeps" on Conan O'Brien:
http://www.joejackson.com/conanwm.htm EDIT:
2 May 1972: On hearing of FBI Director J. Edgar Hoover's death, President Richard M. Nixon exclaims: "Jesus Christ! That old cocksucker!"