Fourteen of us went to the Quartet Retreat in Tulsa to improve our vocal skills. For Now Quartet: Sybil, Charlotte, Prudence, Nora; Marvelous Quartet: Amy, Joanna, Suzanne, Cynthia; Vocal Tapestry Quartet: Ashley, Debbie, Kim, Pam; and Lisa and Nicole took part in the Harmony Roulette with songs "What A Wonderful World", "Locomotion", and "We Can Work It Out".