Following the Aug. 12 performances at the Laurie Beechman Theatre, which were recorded for an upcoming album of Cronin's music, the Ergo Theatre Company and producer Erica Ruff will present the encore fundraising concert at 7 PM at the Duplex. Set to perform are Caissie Levy (Hair), Andrew Kober (Hair), Morgan Karr (Spring Awakening), Janine Divita (Grease), Natalie Weiss (Wicked), Josh Young (Les Miserables), Ben Cameron (Wicked), Shelly Bort, Brian Gallagher, Jared Gertner, Auri Marcus, Jenna Noel, Rachel Potter and Jacob Richard.

Bobby Cronin's works include B.R.A.T.T. Camp, A Christmas Carol and From This Day Forward: A Schwartz Journey. He also conceived and directed That's Andy, penned a new book for Personals and is currently writing the new musical Til Death Do Us Part.

The Duplex is located in Manhattan at 61 Christopher Street. There is a $15 cover and a two-drink minimum; for reservations call (212) 255-5438 or visit TheDuplex.