4 pm: Pop Music

Heart & Soul is a fitting name for a hip-hop festival that spotlights two old-school heroes, Sir Mix-a-Lot and the legendary Afrika Bambaataa. Also appearing: L.A. DJ Richard “Humpty” Vission, Freaky Flow & MC Flipside, Valerie & the Vibe tribe and others.

* Heart & Soul, National Orange Show Events Center, 689 S. E St., San Bernardino, 4 p.m. $20 to $30. (909) 888-6788.

8pm: Theater

David Proval, who was Tony Soprano’s nemesis Richie Aprile in “The Sopranos,” stars in Richard Krevolin’s one-man play, “Seltzer-Man,” about a ribald writer whose day job is delivering seltzer to residents of Manhattan’s Lower East Side.* “Seltzer-Man,” Tiffany Theatre, 8532 Sunset Blvd., Hollywood, Thursdays to Saturdays, 8 p.m.; Sundays, 3 and 7 p.m. Ends Oct. 14. $25 to $30. (310) 289-2999.

3 pm: Family

In “Childhood,” a seriocomic meditation on childhood for family audiences, postmodern dance theater duo Blue Palm explores childhood from birth to teens from unexpected perspectives in a series of vignettes.

* “Childhood,” Falcon Theatre, 4252 Riverside Drive, Burbank, Saturday, 3 p.m. Regular schedule: Saturdays and Sundays, 1 and 3 p.m. Ends Oct. 21. $12.50. (818) 955-8101.

midnight: Pop Music

Richie Hawtin was born in England and moved to Canada as a kid, but it was Detroit that formed the first foundation of his electronic music style. The Motor City’s progressive radio and dance clubs steered the young DJ and record maker into the techno direction that has flowered into one of dance music’s most prominent careers. The Windsor Wizard’s latest, “DE9: Closer to the Edit,” hits stores next week.

* Richie Hawtin, with Guy Ornadel, Jeremy Healy, Club Spundae at Circus, 6655 Santa Monica Blvd., L.A., midnight. $25. (323) 652-0611.

8:15 pm: Pop Music

The musically intriguing teaming of Tony Bennett and k.d. lang is notable not just for its May-December nature, but also for the conglomerate cooperation it represents: Bennett, 75, is a Sony staple, while spring chicken lang is a career-long Warner Bros.-affiliated artist.

* Tony Bennett and k.d. lang, Greek Theatre, 2700 Vermont Canyon Road, L.A., 8 p.m. $35 to $85. (323) 665-1927.

all day: Festival

Mexican Independence Day, celebrating Mexico’s independence from Spain, is commemorated this weekend at Olvera Street. Popular and traditional entertainment, artisan displays, cultural activities, historic exhibits and food will be featured.* Mexican Independence Day celebration, El Pueblo de Los Angeles Historical Monument at Olvera Street, 125 Paseo de la Plaza, L.A., 10 a.m. to 10 p.m. Friday to Sunday. Free. (213) 628-7163.

Freebies

* The Korean Thanksgiving Festival features dance, music, storytelling, drumming, crafts and tae kwon do at the Pacific Asia Museum, 46 N. Los Robles Ave., Pasadena, 1 to 4 p.m. (626) 449-2742.

*

* A quartet of Pomona College faculty members presents a concert of premieres by composers Tom Flaherty, Gary Wolber, Eric Moe, Evan Chambers, Joseph Brennan and Glenn Gass in Bridges Hall of Music, 150 E. 4th St., Claremont, 8 p.m. (909) 621-8155.