Tommy Roe--""Stir Up and Serve It"" & ""Pearl."" THE AB1970 TOP TEN HITS of 4/11/1970: 1. THE BEATLES-Let it Be 2. The Jackson 5-ABC 3. JOHN ONO LENNON-Instant Karma (We All Shine On) 4. Norman Greenbaum-The Spirit in the Sky 5. Simon & Garfunkel-Bridge O