Officers for 2010 of the Chorus of the Comstock Barbershop Singers of Carson City are Dave Ramer, past president; Don Hunter, member; Rudy Moreno, treasurer; Tom Chaney, member; Rook Wetzel, marketing; Paul Muller, president; Bob Schirris, program vice president; David Smith, secretary; Ralph Denny, membership vice president and Dan Wager, music vice president. The full chorus of 30 singers perform a Christmas show, 7 p.m. Dec. 19, at Corpus Christi Catholic Church on North Sunridge Drive.