4 pm: Theater

“Aida,” Disney Theatrical Productions’ Tony Award-winning romantic musical with music and lyrics by Elton John and Tim Rice, makes its Los Angeles premiere. It stars Simone as a kidnapped Nubian princess, Kelli Fournier as an Egyptian princess and Patrick Cassidy as the soldier they both love.

* “Aida,” Ahmanson Theatre, 135 N. Grand Ave., downtown L.A., 4 p.m. Regular schedule: Tuesdays-Saturdays, 8 p.m.; Sundays, 7:30 p.m.; Saturdays-Sundays, 2 p.m. Also Nov. 19, 8 p.m.; Dec. 26-27 and Jan. 3, 2 p.m.; Dec. 31, 7 p.m. Dark on Thanksgiving, Christmas and New Year’s. Ends Jan. 5. $25-$75. (213) 628-2772.

4 pm: Music

Now scheduled to disband after its final performance, when it plays a Haydn concert at Esterhazy in Austria in May 2002, the Angeles String Quartet will give its final local concert at the Orange County Performing Arts Center this week. The foursome--violinists Kathleen Lenski and Sara Parkins, violist Brian Dembow and cellist Stephen Erdody--will play Bernard Herrmann’s “Echoes,” the String Quartet by Debussy and Haydn’s Quartet, Opus 77, No. 2.

* Angeles String Quartet, Founders Hall, Orange County Performing Arts Center, 600 Town Center Drive, Costa Mesa, 4 p.m. $40. (714) 740-7878.

4 pm: Music

The adult sing-along company, Sing! Sing! Sing!, celebrates the “Spirit of America” with American songs from the Civil War to the present, plus commentary with Howard Lewis, and harmonica solos by Ron Kalina. Song sheets provided.

* “Spirit of America,” Jazz Bakery, 3233 Helms Ave., Culver City, 4 p.m. $17; children, $8. (310) 271-9039, (310) 546-5470.

7:30 pm: Pop Music

In her seven years with the Irish group Cherish the Ladies and in her three solo albums, Detroit-born Cathie Ryan has established herself as one of the leading voices in Celtic music. Her new collection, “Somewhere Along the Road,” was produced by Battlefield Band alumnus John McCusker.

* Cathie Ryan, Celtic Arts Center, 4843 Laurel Canyon Blvd., Studio City, 7:30 p.m. $18. (818) 752-3488.

Freebie

* Violinist Bing Wang, associate concertmaster of the Los Angeles Philharmonic, will play two works with the American Youth Symphony at Royce Hall, UCLA, 8 p.m. Alexander Treger will conduct the program, which includes Ravel’s “Tzigane,” the “Poeme” by Ernest Chausson, Ravel’s “Pavane for a Dead Princess” and Beethoven’s 2nd Symphony. (310) 234-8355.