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What to do in L.A. this week? Van Morrison sings jazz and country at the Hollywood Bowl, Liza Minnelli signs "Liza Minnelli: Liza with a Z" at Barnes & Noble at the Grove, Rob Zombie plays the Wiltern, more

FRI 4/21: Van Morrison sings jazz and country, Hollywood Bowl. $35.50-$159.50, 7:30 p.m.

Cuban guitarist Juan-Carlos Formell plays from his latest, “Cemeteries and Desire,” Skirball Cultural Center. $25, $20 members, 8 p.m.

Matthew Weidmann’s paintings on exhibit, with open bar and live music, Equator Books. Free from 7-10 p.m., $10 from 10 p.m.-midnight.

SAT 4/22: Mark Knopfler & Emmylou Harris, Gibson Amphitheater, June 28, on sale at 1 p.m.

Liza Minnelli signs “Liza Minnelli: Liza with a Z,” Barnes & Noble at the Grove. Free, 3 p.m.

William S. Burroughs, Tom Waits and Robert Wilson create musical fable “The Black Rider,” Ahmanson Theater, $40-$95; through June 11.

SUN 4/23: Matisse, Gaugin, Kandinsky and others on exhibit as part of the “Société Anonyme: Modernism for America,” Hammer Museum. $5, 11 a.m.-5 p.m. Through Aug. 20

“Chernobyl 20,” directed by Yelena Zmushko, screens as part of a symposium on nuclear power and its problems, UCLA. Free, 5:30 p.m.

“The Beast from 20,000 Fathoms” and “She” sci-fi double feature screens with Ray Bradbury and Ray Harryhausen in person, Aero Theater. $9, $6 members. 6:30 p.m.

“Mixed Doubles” closes the Indian Film Festival of L.A., followed by a reception at Ivar, ArcLight Hollywood. $60, 7 p.m.

MON 4/24: Rob Zombie plays the Wiltern. $38.50, 8 p.m.

TUES 4/25: “Cult of Saints” exhibit opens with images of devotion in medieval and Renaissance society, Getty Center. Free, 10 a.m.-6 p.m. Through July 16

“United 93” kicks off the Tribeca Film Festival, New York. $12 for individual tickets, $150-$1,000 for passes. Through May 7

Craig Ferguson converses with David Duchovny, sponsored by Writer’s Bloc, Fine Arts Theater. $20, 7:30 p.m.

“Match Point,” “Casanova” and “Shopgirl” on DVD

WED 4/26: Lifestyles of Health and Sustainability (LOHAS) Forum begins three days of presentations on the business of conscious commerce in the industry and otherwise, Fairmont Hotel. $350-$695, 6 p.m.

AM’s final stint in his residency at the Hotel Café, presented by KCRW. $8, 9 p.m.

THURS 4/27: Scripter Frank Pierson discusses his Oscar-winning career, Writers Guild Theater. $25, 7:30 p.m.

Essayist Carlos Fuentes as part of the Music Center Speaker Series, Walt Disney Concert Hall. $45 -$120, 8 p.m.