San Francisco can Stomp over to Union Square and catch Luke Cresswell and Steve McNicholas' unique percussion show in a free outdoor performance Aug. 29 in Union Square. The performance begins at noon.

Stomp is about banging things, but not in the traditional drumsticks-on-a-drum method. Everything from Zippo lighters to brooms to plungers, plastic bags and hubcaps make the music of Stomp. A winner of London's Olivier Award and New York's Obie and Drama Desk Awards, the one-time UK street performance has spawned five internationally touring companies, commercials, the Grammy-nominated album "Q's Jook Joint," an Academy Award-nominated short, "Brooms," and the Emmy Award-winning HBO special, "Stomp Out Loud."

Performances of Stomp in San Francisco - the first U.S. city, apart from New York, to get a sit-down company of the show -- began May 2 at the Marines Memorial Theatre, with a press opening May 9.

Tickets are $45-$25. The Marines Memorial Theatre is located at 609 Sutter Street. For reservations, call (877) 771-6900.

-- By Christine Ehren