tunes performed was the title theme, which Paul had written as a quiet tribute to his mother. One of the Beatles' old pals from Hamburg, Billy Preston, happened to be around at the time and was invited to sit in as organist. John was on bass guitar, while Paul played the piano and sang. -------------------------------------------------------------------------------- THE TOP FIVE Week of April 11, 1970 THE TOP FIVE Week of April 11, 1970 1. Let It Be Beatles 2. ABC Jackson Five 3. Instant ...