all day: Fiestas

Latin pop superstars Chayanne and Charlie Zaa will headline a free seven-hour concert at Whittier Narrows Recreation Area while Chivas and Atlas, two of the top teams south of the border, will meet in a Mexican soccer league match at the Coliseum at 5 p.m. in a pair of early Cinco de Mayo celebrations. The Whittier concert will also feature artists such as Jose Luis Rodriguez, Pepe Aguilar, Los Mismos and Grupo Limite. And outside the Coliseum, a number of musical groups--including Los Tuscanes and Banda Limon--will also perform before the soccer match beginning at 10 a.m. There is no admission charge for either the concert or the soccer match, although a ticket is required to enter the stadium.

* KLVE-FM (107.5)/KSCA-FM (101.9) Cinco de Mayo celebration at Whittier Narrows Recreation Area, 1000 N. Durfee Ave., South El Monte. Free admission, $5 for on-site parking, (626) 575-5526. Atlas-Chivas soccer match and pregame concert at the Coliseum, Exposition Park, Los Angeles. Tickets, which are available free from KLAX-FM (97.9), are required for entrance to the soccer match but not for the concert. (310) 203-0900.

7:30 pm: Pop Music

Erykah Badu, who capped her big rookie year by taking home two Grammys in February, distills a panorama of black music traditions in her potent, personal music. The rising star returns to town to offer a crash course in Baduizm.

* Erykah Badu, with Chico DeBarge and the Roots, Greek Theatre, 2700 N. Vermont Canyon Road, Griffith Park. Sunday sold out, Monday. $20-$47.50. (213) 480-3232.

9 am: Cars

In the market to sell or buy a custom or vintage Volkswagen? Or in need of hard-to-find parts? The 11th annual Spring California Volkswagen Jamboree Custom and Classic Volkswagen Show and Competition at Hidden Valley Park in Irvine is the place be. More than 400 VWs will compete for prizes and trophies. Also on the program: a swap meet and entertainment, including live music, a bikini contest and games.

* Spring California Volkswagen Jamboree Custom and Classic Volkswagen Show and Competition, Hidden Valley Park, Irvine, off the 405 Freeway at Irvine Center Drive, 9 a.m.-4 p.m. $11; children, 6-12, $5; children under 6, free. Parking, free. (714) 598-5123.

7 pm: Music

Two versions of “L’Histoire du Soldat” (The Soldier’s Tale), Stravinsky’s original one and Wynton Marsalis’ new composition based on Stravinsky’s, arrive at Royce Hall at UCLA, to be performed by combined forces of the Chamber Music Society of Lincoln Center, David Shifrin, artistic director, and Jazz at Lincoln Center, Wynton Marsalis, artistic director.

* “L’Histoire du Soldat” in two versions by the Lincoln Center ensembles, Royce Hall, UCLA. $16-$50. (310) 825-2101.

2 pm: Family

It’s a star turn as “Titanic’s” Kathy Bates, Robby Benson, Greg Germann, Joely Fisher, Carol Kane, JoBeth Williams, Theresa Russell and John Pankow read their favorite children’s books in “Storytelling Sunday,” a benefit for the Virginia Avenue Project, a theater arts organization for at-risk youth. The family event also includes refreshments, raffles and magic.

* “Storytelling Sunday,” Every Picture Tells a Story, 7525 Beverly Blvd., Los Angeles. 2 to 5 p.m. $25 per adult; $10 per child; $55 for a family of four. (310) 330-8860.

Noon: Family

Ethnic foods and entertainers performing in authentic costumes from a variety of cultures from around the world are some of the features at the Music and Dance on the Grass Multicultural Arts Festival at UCLA. The festival will conclude with a twilight jazz concert.

* Music and Dance on the Grass Multicultural Arts Festival at UCLA, Sunset Canyon Recreation Center, 111 De Neve Drive, on campus off Sunset Boulevard and Bellagio Road. Noon-7:30 p.m. Concert, 6 p.m. Parking $2, Lot 32. Admission free; free campus shuttle. No pets, smoking or glass containers.

FREEBIE: Playboy Jazz Festival Community Concert, Beverly Hills, 3 p.m. (310) 449-4070.