7 pm Music

Benjamin Britten’s children’s opera “Noyes Fludde (Noah’s Flood)” is performed by Anne Tomlinson’s Los Angeles Children’s Chorus, joined by adult singers Davis Gaines (God), Nmon Ford-Livene (Noah) and Teresa Brown (Noah’s wife). The Da Camera Orchestra of the Colburn School, conducted by Richard Rintoul, provides the music.

* “Noyes Fludde” at Pasadena Presbyterian Church, 585 E. Colorado Blvd., Pasadena. 7 p.m. Also Sunday at 3 p.m. $10 to $15. (626) 793-4231.

11:30am

Family

There’s no special grooming necessary for the pet fair at Storyopolis. Noted woodcut artist and sculptor Stephen Huneck (“Sally Goes to the Beach”) will be there, and Priscilla Bonzapart will put on her puppet show with life-size mechanical dogs. Kids can make “furry foto frames,” and there’s a raffle for free doggy day-care at Chateau Marmutt. Don’t have a pet? Adopt one. All this activity kicks off the “4th Annual Storyopolis Pet Show,” an exhibition of pet-themed illustrations, cartoons and sculptures.

* “4th Annual Storyopolis Pet Show,” Storyopolis, 116 N. Robertson Blvd., Plaza A, West L.A. Exhibition: Saturday-Aug. 31. “Pet Fair & Raffle,” Saturday, 11:30-4:30 p.m. Free. (310) 358-2500. Crafts reservation, (310) 358-2512.

noon

Pop Music

The rap and R&B; acts playing at the two-day UrbanFest L.A. concert include some of the genre’s most acclaimed and admired figures, along with some closely watched newcomers. Saturday’s lineup includes Boyz II Men, DJ Quik and Pharoahe Monch, while Sunday is highlighted by Common, De La Soul, Mary Mary, Kina and Avant. The concerts, held on two stages in the heart of the USC campus, are affiliated with the fourth annual Urban Focus Music Conference.

* UrbanFest L.A., on the USC campus, east of Vermont Avenue, north of Exposition Boulevard. Noon to 8 p.m. Saturday and Sunday. $15 in advance, $20 day of show; two-day passes $20 in advance, $30 day of show. (213) 740-8748.

7:30pm

Pop Music

Things have shifted into high gear for Son by Four since the group opened for Shakira at the Arrowhead Pond. The Orlando-based Puerto Rican quartet recorded an English version of its Latin chart hit “A Puro Dolor,” and voila! “Purest of Pain” has become a pop chart smash. The group will display its R&B-flavored; Latin pop when it headlines the House of Blues.

* Son by Four at the House of Blues, 8430 Sunset Blvd., West Hollywood. 7:30 p.m. $25. (323) 848-5100.

11am

Festival

Formerly known as the Cajun & Zydeco Festival, the two-day Long Beach Bayou Festival promises to serve up plenty of Louisiana-style good cheer and hospitality. Contributing to the festivities: nonstop live Cajun, zydeco and swing music; dance lessons; children’s crafts; and costume making for a Mardi Gras parade. Fortify yourself with seafood gumbo or jambalaya.

* Long Beach Bayou Festival, Queen Mary Events Park, next to the Queen Mary, 1126 Queens Highway, Long Beach. Saturday and Sunday, 11 a.m. to 7:30 p.m. $24; two-day ticket, $40; students and seniors, $17; ages 6 to 17, $5; 5 and under, free. (562) 427-3713.

all day

Jazz

The Leimert Park area in the Crenshaw district is the heart and soul of the Los Angeles jazz scene. The Festival of Music 2000/Jazz Mentorship Program Jazz & Blues Festival--a daylong event in the streets of Leimert Park--features a host of the city’s most visible performers: trumpeter Bobby Rodriguez, singer Linda Hopkins, bassist Nedra Wheeler, keyboardist Billy Mitchell, bluesman Ray Bailey, as well as a special appearance from top jazz mentor and saxophonist Buddy Collette. Arts and crafts booths, dancers, vocal contests, jam sessions and student performances are also on tap.

* Festival of Music 2000/Jazz Mentorship Program Jazz & Blues Festival, Leimert Park Village, 43rd Place at Degnan Boulevard, L.A. 10 a.m. to 7 p.m. Free. (213) 473-4269.

Freebies

Artists in the Los Angeles Downtown Arts District located between 1st and 6th streets, from Alameda Street to Santa Fe Avenue, will open their lofts to the public for the first “Open Studio Art Tour,” from 11 a.m. to 5 p.m. (213) 687-6571 or https://www.ladad.com