Tommy Tune and his fellow cast members from "Bye Bye Birdie" will present a benefit for the Chase-Brexton Clinic and Equity Fights AIDS at 11:30 p.m. Friday at Center Stage, 700 N. Calvert St.

Titled "Backstage at Bye Bye Birdie," the benefit is an informal revue of Broadway show tunes that has been performed to sold-out audiences in Washington, Boston, Philadelphia and Tampa, raising a total of more than $50,000.

Mr. Tune, a nine-time Tony Award winner, is the headliner in the touring production of "Bye Bye Birdie," currently playing at the Lyric Opera House. Tickets to "Backstage at Bye Bye Birdie" are $25 and $35, and include a catered reception with the cast following the performance. For more information call (410) 332-0033.