65 years ago this coming Christmas Eve, The Lawrence Welk Show welcomed a winsome young quartet for their very first television appearance. The story goes that the host's teenaged son brought Dianne, Peggy, Kathy, and Janet Lennon home to sing for him; their shimmering vocal harmonies won the elder Welk over and he quickly booked them to appear on his show. The response was so tremendous that The Lennon Sisters continued to appear every Saturday night with the "wunnerful, wunnerful" host until