The Lennon Sisters: The Lennon Sisters. Soundtrack: Fear and Loathing in Las Vegas. They were a young, wholesome, crisply harmonic quartet of siblings who called themselves simply The Lennon Sisters. Making their singing TV debut in the mid-1950's, they became an instant household name on The Lawrence Welk Show (1955), a clean, old-fashioned variety show, with sixteen-year-old Dianne Lennon (Dee Dee), fourteen-year-old Peggy Lennon, twelve-year-old Kathy Lennon and nine-year-old Janet Lennon on board.
The...