Plan Ahead

* Musical Theater--”Annie” will open May 25 at the Alex Theatre, 216 N. Brand Blvd., Glendale. $22-$42. (800) 233-3123.

* Greek Festival--The 28th annual Valley Greek Festival is slated May 26-28 at St. Nicholas Greek Orthodox Church, 9501 Balboa Blvd., Northridge. Free. (818) 886-4040.

* Musical Tribute--Horace Heidt Jr. will lead a musical tribute to his father, the legendary bandleader of the 1930s, May 26 at the Horace Heidt Estates, 14155 Magnolia Blvd., Sherman Oaks. $30. (818) 995-6827.

* Horse Show--The $35,000 Lexus of Glendale Memorial Day Classic Grand Prix will take place May 28 at the Los Angeles Equestrian Center, 480 Riverside Drive, Burbank. $10-$12. (818) 840-9066.