Season Opener

The Glendale Symphony Orchestra opens its 77th season Friday at the Alex Theatre. The concert program will include Bach’s Brandenburg Concerto No. 2; Mozart’s 36th Symphony, the Linz Overture to “Don Giovanni” and Beethoven’s First Symphony, Opus 21. Sidney Weiss will conduct.

* Glendale Symphony Orchestra, Friday, 8 p.m., Alex Theatre, 216 N. Brand Blvd., Glendale. $15-$45. (818) 500-8720.

Fall Fest

1970s rock icon Peter Frampton headlines the Palmdale Fall Festival on Saturday. After years of almost continuous touring, Frampton struck gold when his live album, “Frampton Comes Alive,” sold more than 6 million copies in 1976. Singer Toby Keith, who will be the top act at the festival on Sunday, has scored six No. 1 hits on the country music charts. All entertainment at the festival is included with gate admission.

* Peter Frampton, Saturday, 5:30 p.m.; Toby Keith, Sunday, 5 p.m.; McAdam Park, 38115 30th St. E., Palmdale. $3-$5. (661) 267-5611.

Reptile Revue

The Southwestern Herpetologists Society’s 19th annual Live Reptile and Amphibian Exhibit, featuring snakes, lizards, turtles, frogs, toads and salamanders from around the world, takes place this weekend in North Hollywood. Hundreds of reptiles and amphibians will be on display, including some snakes longer than 14 feet. Educational exhibits on conservation, endangered species and the ecosystem will also be featured.

* Live Reptile and Amphibian Exhibit, Saturday, 10 a.m.-6 p.m.; Sunday, 10 a.m.-4 p.m., North Hollywood Recreation Center, 11430 Chandler Blvd. $2-$5. (818) 764-6124.

Herman Tribute

“Jerry’s Girls,” a musical tribute to Broadway composer Jerry Herman, comes to Northridge on Sunday. This musical revue features the best songs for women from Herman-written shows, including “Hello Dolly,” “Mame,” “Milk and Honey” and “La Cage aux Folles.” John Bisom, Jennifer Gordon, Randy Hills, Tracy Lore and Diane Vincent will star.

* “Jerry’s Girls,” Sunday, 3 and 7 p.m., Cal State Northridge, 18111 Nordhoff St. $27-$29. (818) 785-8885.