The following events are open for registration. They are sponsored by the Howard County Department of Recreation and Parks unless otherwise noted.
RADIO CITY CHRISTMAS MUSICAL, for ages 8 and older, 6 a.m.-midnight Saturday and Dec. 9, 10 and 17. The Rockettes debut an original song and new sets, costumes, stage effects and a precision tap routine. Second mezzanine seats. Time on your own to shop and dine. Call for bus departure points in Howard County. $135; registration required. 410-313-7275 or www.co.ho.md.us/RAP/rap_homepage.htm.
COLUMBIA HOLIDAY LIGHTS TOUR, for ages 55 and older, 6-9 p.m. Dec. 11. A bus tour through the Columbia communities' Symphony of Lights, followed by a reception, an appearance by Santa Claus and a gift. Sponsored by the Columbia community associations of Long Reach, Hickory Ridge and Owen Brown. Call for bus departure points in Columbia; reception held at Stonehouse, Long Reach Village Center, 8775 Cloudleap Ct. Free; registration required. 410-730-8113.
ADULT WINTER BASKETBALL LEAGUE, for men and women, games played 8:15 or 9:15 weeknights and 9 a.m.-1 p.m. Sundays beginning Jan. 2 at local schools. Team fees include an eight-game schedule, playoffs, a scorekeeper, officials, awards and gym rental; call for schedules and game locations. Team fee, $510; registration required by Dec. 16. 410-313-7275.
-- Compiled by LINDA JAMES