Performances are Sept. 13 and 15 at 7 PM.

Artistic director Richard Biever will direct the previously reported Sally Wilfert (Assassins, The Adventures of Tom Sawyer) and Kate Wetherhead (Legally Blonde, 25th Annual Putnam County Spelling Bee). Newly announced for the performances are Paul Anthony Stewart (The People in the Picture, Cyrano: The Musical, Fiddler on the Roof) and Tony nominee Barbara Walsh (Company, Hairspray, Falsettos) as the Narrator.

John Bell is the music director. Greg Santos produces.

A revue of songs from the musicals of Stephen Sondheim, the production features music and lyrics by Stephen Sondheim with additional music by Leonard Bernstein, Mary Rodgers, Richard Rodgers and Jule Styne.

Tickets are $20 with a $15 food/beverage minimum; call (212) 695-6909. The Laurie Beechman Theatre @ West Bank Café is located at 407 West 42nd Street.

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In addition to Side By Side By Sondheim, Singing OnStage Productions’ other productions will include The Musical of Musicals! The Musical!, Nov. 11-13, 2011; and Romance/Romance, Feb. 10-18, 2012. For more information visit www.singingonstageproductions.com.