Timothy Gonzalez (MM, ’13), Callista Hoffman (MM, ’10), and Jon Lee Keenan (MM, ’09; DMA, ’13) performed with the Los Angeles Master Chorale, led by music director and alumni Grant Gershon and Leslie Leighton. Gonzalez and Hoffman performed at the Messiah Sing-Along, while Keenan performed Handel’s Messiah.