Plan Ahead

* Chorus--The Gay Men’s Chorus of Los Angeles will perform Dec. 15-17 at the Alex Theatre, 216 N. Brand Blvd., Glendale. $15-$35. (800) 414-2539.

* Dancing--Pasadena Ballroom Dance Assn. will sponsor a big band dance Dec. 16 at the Glendale Civic Auditorium, 1401 N. Verdugo Road. $25-$30. (626) 799-5689.

* Ballet--The Antelope Valley Ballet performs “The Nutcracker” Dec. 16-17 at the Lancaster Performing Arts Center, 750 W. Lancaster Blvd. $12-$25. (661) 723-5950.

* Concert--The New Horizon Singers will present “Happy, Happy Holidays” on Dec. 17 at Louisville High School, 22300 Mulholland Drive, Woodland Hills. $12-$16. (818) 879-8444.