It’s big-band jazz times two when the Carson High Jazz Band and the Mile High Jazz Band present their 10th annual combined concert, the Mile High-Carson High Jazz Extravaganza, at 7:30 p.m. Jan. 29 in the Bob Boldrick Theater at the Carson City Community Center, 851 E. William St. The Extravaganza is sponsored by the Mile High Jazz Band Association and the Carson City Band Association to benefit Carson High Jazz Band programs.Tickets prices are $12 general admission, $10 students and seniors (62 and older), and $5 for youth age 12 and younger. Tickets can be purchased in advance from Carson High Band members, at Play Your Own Music in the Carson Mall, online at MileHighJazz.com, or at the door. For information, call the Mile High Jazz Band at 775-883-4154.The Extravaganza will feature two big bands, vocalist Sheryl Adams, combo performances, a drum battle, and the traditional grand finale combining the forces of both big bands. Refreshments and raffle prizes will be on sale in the lobby. “We’re pleased to perform with the high school jazz band again,” said David Bugli, Mile High Jazz Band leader and pianist. “The high school music ensembles are great and they deserve community support.”The Carson High Jazz Band attends and competes at jazz festivals each year and has performed at community events throughout Carson City. Directed by Jarod Sorum, the band is a zero-hour class at Carson High School designed to teach students about jazz.The Mile High Jazz Band, a professional big-band, plays regularly in northern Nevada, including monthly performances and quarterly Jazz and Poetry events at Comma Coffee. They sponsor the annual Jazz & Beyond: Carson City Music Festival in August. Mile High Jazz Band appearances are funded, in part, by a grant from the Nevada Arts Council, a state agency, and the National Endowment for the Arts, a federal agency.