"Come see some of Broadway's hottest performers, uncensored and unrehearsed like you've never seen them before!" teases the announcement. The evening begins with cocktails and hors d'oeuvres in the nightclub Arena at 135 W. 41st St. Proceeds benefit Roundabout's education programs.

Performers expected to appear include Nellie McKay (The Threepenny Opera), Kerry Butler (Xanadu), John Lloyd Young (Jersey Boys), Sarah Steele (Speech & Debate), Susan Blackwell (Speech & Debate, [title of show]), Lauren Pritchard (Spring Awakening), Tony Yazbeck (Gypsy), Ben Walker (Les Liaisons Dangereuses), Jenny Powers (Grease), Jessica Grové (Sunday in the Park with George), Telly Leung (Rent), Skylar Astin (Spring Awakening), Matt Schreiber with "Nicky" (Avenue Q) and Matt Doyle (Spring Awakening).

Seth Rudetsky "hosts incredible off-the-cuff performances by some of the brightest stars on Broadway" and then "the audience can get into the act with an hour of open mic karaoke!"

Broadway Karaoke will begin at 6 PM with an open bar and hors d'oeuvres. The performances kick off at 7 PM followed by open mic at 8 PM. The event concludes at 9 PM.

Tickets are $200 and are available by calling Roundabout Ticket Services at (212)719-1300 or online at www.roundabouttheatre.org.

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VIP Tickets are $500 and includes exclusive access to the celebrity VIP Room and VIP seating area, as well as an open, private bar with specialty drinks created by a Cocktail Mixologist. VIP tickets must be purchased by calling Roundabout Ticket Services at (212)719-1300.