8:30 pm: Pop Music

Since her last appearance at the Hollywood Bowl in 1998, Natalie Cole has published an autobiography, executive-produced a TV story of her life and released an album of greatest hits, many of which will be heard when she returns to the Bowl with the Los Angeles Philharmonic.

Natalie Cole with the Los Angeles Philharmonic, Hollywood Bowl, 2301 N. Highland Ave., L.A., 8:30 p.m. $3 to $85. (323) 850-2000.

10 am: Tour

Michael Rubel and his friends spent more than 20 years constructing what has come to be known as the Glendora Castle, Rubelia or the Tin Palace. The home was built using cement, bottles, discarded pipes, old telephone poles, shovels, railroad ties and other miscellaneous “junk.” On Saturday, the Natural History Museum of Los Angeles County will host a tour of the structure, led by Warren Asa, one of the homebuilders.

* “Inside the Tin Palace: A Tour of Michael Rubel’s Glendora Castle.” Directions to the Glendora home will be sent to all registered participants. The tour is for those ages 18 and over. Saturday, 10 a.m.-noon. $29; students, $25. Reservations required. (213) 763-3534.

all day: Art

“Remington, Russell and the Language of Western Art,” an in-depth look at the paintings and sculptures of Frederic Remington and Charles Russell, two quintessential western American artists, opens Saturday at the Bowers Museum of Cultural Art. While both artists were often compared during their lifetimes for creating the image of a mythic American West, the artists were actually very different, seeing the region from entirely different points of view.

* “Remington, Russell and the Language of Western Art,” Bowers Museum of Cultural Art, 2002 N. Main St., Santa Ana. Tuesdays to Sundays, 10 a.m. to 4 p.m. Ends Sept. 16. Adults, $16; seniors/students, $13; children 5 to 18, $10; children under 5 Free. (714) 567-3600.

7:30 pm: Music

Opening its summer season at the Huntington in San Marino, Southwest Chamber Music offers Mozart’s Duo for Violin and Viola, K. 423, a new Sonata for Viola & Piano by Peter Knell and Brahms’ Quartet for Piano and Strings, Opus 25. Ticket holders may reserve a three-course dinner in the Huntington’s famous Tea Room before the concert.

* Southwest Chamber Music performs in the Main Art Gallery Loggia at the Huntington, 1151 Oxford Road, San Marino, 7:30 p.m. $30. (800) 726-7147.

all day: Pop Music

Social Distortion, Chuck Berry, the Blasters, the Reverend Horton Heat, the Supersuckers, Dave Edmunds with Lee Rocker and the Cadillac Tramps are just the tip of the roots-rocking iceberg that is the seventh annual Hootenanny festival.

* Hootenanny 2001, Hidden Valley, 8808 Irvine Center Drive, Irvine, 11 a.m. $40 and $100 (VIP). (949) 263-4552.

8 pm: Theater

“Frankie & Johnny in the Clair de Lune,” Terrence McNally’s romantic play about two scarred veterans of the love wars--a short-order cook and a waitress--stars husband-and-wife team Michael Pressman, who also directs, and Lisa Chess.

* “Frankie & Johnny in the Clair de Lune,” Tamarind Theatre, 5919 Franklin Ave., Hollywood, 8 p.m. Regular schedule: Thursdays to Sundays, 8 p.m. Ends July 29. $20; opening night benefit for the Actors’ Fund, $25. (310) 205-2654.

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Freebies

* Japanese street folk dancing, food, karaoke contests and cultural exhibits and demonstrations will be among theattractions at the Obon Festival, Nishi Hongwanji Buddhist Temple, 815 E. 1st St., L.A. Saturday and Sunday, 2 to 9 p.m. (213) 680-9130.

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* Jazz singer-pianist Diane Schuur brings her Grammy-winning sound to Chace Park, 13650 Mindanao Way, Marina del Rey, 7 p.m.(310) 305-9545.