1 pm: Pop Music

The two-day Bob Marley Day Festival, the nation’s premier reggae event, celebrates its 20th anniversary with a rare commercial coup to cap its dedication to its namesake’s humanitarian spirit: a No. 1 album by a reggae artist, Shaggy’s “Hotshot.” Shaggy plays on the Sunday bill, which is headlined by Bunny Wailer, following an opening day highlighted by Buju Banton and Capleton.

*Bob Marley Day Festival, at the Long Beach Arena, 300 E. Ocean Blvd., Long Beach. Saturday and Sunday. 1 p.m. $30 and $40. (323) 296-0081.

6 & 8 pm: Theater

Walking shoes advised, shopping bags optional: Cornerstone Theater Company is reprising its mall-mounted production of “Foot/Mouth,” an interweaving of Samuel Beckett’s “Footfalls” and Alison Carey’s adaptation of Luigi Pirandello’s “The Man With the Flower in His Mouth.” The actors wear microphones, and audience members wear headsets and follow the action, listening in as the cast mingles with unwitting shoppers.

* “Foot/Mouth,” Cornerstone Theater Company at Santa Monica Place, 4th Street and Broadway, Santa Monica, Thursdays-Fridays, 8 p.m.; Saturdays, 6 and 8 p.m.; Sundays, 3 p.m. Ends March 11. $9.99. (213) 613-1700.

8 pm: Music

A contender for the post of music director of the Long Beach Symphony, Steven Smith, an assistant conductor at the Cleveland Orchestra, is the latest person to lead the Long Beach orchestra this season. His program lists Berlioz’s “Symphonie Fantastique,” “Fireworks” by Gerald Plain and Beethoven’s Piano Concerto No. 2, with soloist Fabio Bidini.

* Long Beach Symphony, Terrace Theater at the Performing Arts Center, 300 E. Ocean Blvd., Long Beach. 8 p.m. $13-$55. (562) 436-3203.

10 pm: Pop Music

The public knew Boy George first as the androgynous singer of the English band Culture Club and later as a tabloid cover boy flirting with disaster. But as a dance-music devotee with roots deep in the club world, he’s one of the music world’s veteran DJs, having begun to spin at a time when vinyl still walked the Earth. With a new album, “Essential Mix,” coming out, the former George O’Dowd is on his first U.S. DJ tour.

* Boy George at Giant, 6655 Santa Monica Blvd., L.A. 10 p.m. $25. (323) 464-7373.

all day: Cars

The new Petersen Automotive Museum exhibit “Fantasy and Fins: The Artist and the Automobile” explores the ways in which artists from different eras handle automotive themes. The Main Gallery focuses on the career of automotive artist Nicola Wood. Many of the approximately 50 Wood paintings on display feature Cadillacs from the golden age of the tail fin: 1948 through the mid-1960s. “Fantasy and Fins” will also showcase the work of such artists as Kenton Nelson, Benny Andrews, Claes Oldenberg and John Chamberlain. Complementing the automotive art is a collection of custom and coach-built cars.

* “Fantasy and Fins: The Artist and the Automobile,” Petersen Automotive Museum, 6060 Wilshire Blvd., L.A. Saturday through May 28. Museum hours: Tuesday-Sunday, 10 a.m.-6 p.m. $7; seniors and students with ID, $5; ages 5-12, $3. (323) 930-CARS.

10:30 am & 1:30 pm: Theater

Samantha Eggar and Michael York star in California Artists Radio Theatre’s production of Chekhov’s “The Seagull,” heading a stellar cast that includes Lois Nettleton, Len Lesser, William Windom, Linda Henning, and Irish theater veterans Bairbre Dowling and Thomas MacGreevy of the Abbey Theatre; and Marty Maguire of the Belfast Theatre. York, whose long and varied career ranges from the classical stage to the Austin Powers romps, will portray Trigorin; Eggar, as Madame Arkadina, is reprising the role she played at London’s Old Vic opposite John Hurt.

* “The Seagull,” Cinegrill, Hollywood Roosevelt Hotel, 7000 Hollywood Blvd., Hollywood. 10:30 a.m. (dress rehearsal) and 1:30 p.m. (final show). $10 (dress rehearsal) and $15 (final show). (213) 683-3422.

all day: Belly Dancing

There’s gonna be a whole lotta shakin’ going on at the 11th annual Belly Dancer of the Universe Competition in Long Beach. Classes, contests, continuous entertainment are all part of the weekend, which starts Saturday with workshops in belly dancing techniques, double circular veil and drumming. The main competition gets underway Sunday with the winners crowned--or unveiled--after the finals at 7 p.m.

* Belly Dancer of the Universe Competition, Grand Ballroom of Willow Street Center, 4101 E. Willow St., Long Beach. Saturday, open dance, 10 a.m.-5 p.m., $10. Workshops, $20-$45. Competition and Gala Show, 6:30 p.m., $15. Sunday, open dance and preliminary competition, 10 a.m.-5 p.m., $10. Finals and gala show, 7 p.m., $15. Pass, $155 at the door. (562) 433-6615.

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FREEBIES: * A pair of documentaries dealing with black L.A. history--”Marching Into the Millennium” and “Upon the Shoulders of Our Ancestors”--screens at the Washington Irving Branch Library, 4117 West Washington Blvd. 3 p.m. (323) 734-1164.