Led by musical director and conductor Steven Reineke, the 8 PM concert was headlined by Tony winner Szot and four-time Tony nominee O'Hara, who starred as Emile de Becque and Nellie Forbush, respectively, in the 2008 Tony-winning revival of South Pacific.
Also featured was Mamma Mia! star Aaron Lazar, who appeared on Broadway in The Light in the Piazza and A Little Night Music; as well as Judith Clurman's Essential Voices USA and New York Theatre Ballet.
Audiences heard songs from Oklahoma!, Carousel, South Pacific, The King and I and The Sound of Music. Many of the selections feature the original Robert Russell Bennett orchestrations.
The season will also include a celebration of the music of Tony-nominated and Academy Award-winning Wicked composer Stephen Schwartz April 13, 2013, as well as a tribute to Sammy Cahn on March 8, 2013.