What's in Your Weekend?

Museums of the Arroyo: See six museums for one great price: free! On May 17 from 10 a.m. to 4 p.m., visit the Heritage Square Museum, Gamble House (pictured), Los Angeles Police Historical Museum, Lummis Home and Garden, Pasadena Museum of History and Autry National Center’s Southwest Museum of the American Indian during Museums of the Arroyo Day, a celebration of culture now in its 20th year.

Los Angeles Chamber Orchestra: LACO presents the world premiere of Christopher Theofanidis' "Radiant Mind" and performs Schumann's Piano Concerto in A minor featuring pianist Jonathan Biss, De Falla's "Ritual Fire Dance" from "El Amor Brujo," and Ginastera's "Variaciones Concertantes" on May 16 at the Alex Theatre and on May 17 at UCLA's Royce Hall.

L.A. Theatre Works: L.A. Theatre Works wraps up a 22-city national tour of a sci-fi double bill featuring H. G. Wells' "War of the Worlds" and Arthur Conan Doyle's "The Lost World," directed by Star Trek veteran John de Lancie, at the Skirball Cultural Center May 13 through 17 . All performances are recorded to air on LATW's syndicated radio theater series, which broadcasts weekly on 89.3 KPCC.

Intimate Opera: The final two performances of "La Tragedie de Carmen" are May 16 and 17 at the intimate Gold Room at the Pasadena Civic Auditorium. The show is an adaptation of George Bizet's opera by English stage director Peter Brook, along with composer Marius Constant and playwright Jean-Claude Carrière. It's 80 minutes long and features four singers and a 14-piece orchestra.

Musica Angelica: The baroque orchestra pays homage to Hadyn's 200th as well as Mozart and Juan Bautista Sancho May 16 in downtown LA and May 17 in Santa Monica.