Hannah Elless (© David Gordon) The New York Musical Theatre Festival will present a one-night-only performance of Zack Zadek's 6 - In Concert on July 25 at 7pm and 9pm at the Theatre at St. Clement's. Max Friedman directs the evening, which will feature musical direction by Charlie Rosen and lighting design by KJ Hardy. 6 features additional lyrics by Gina DePalo and follows the lives of six New Yorkers over the course of six years. The concert will star Alex Brightman, Hannah Elless, Emma Hunton, Andrew Kober, Wallace Smith, and Alysha Umphress. Click here for more information and tickets to 6.