Directed by Rebeca Rad with musical direction by Michael Uselmann, performers at the 10 PM concert include Andi Alhadeff, Matthew Condello, Brandon Contreras, Danae Ervin, Andrea Ross, Sarah Hamaty, F. Michael Haynie, Brandon Kalm, Amy Marik, Joe Ogren, Daniel Quadrino, Lucia Roderique and André Torquato.

Billed as "an eclectic night of songs, stories, and spirits," "On the Rocks" will feature songs from contemporary musical theatre songwriters David Gomez and John-Michael Lyles.

The music of Lyles and Gomez has been heard at Joe's Pub (You Wish), 54 Below (Hatched 2013), New World Stages (Murderous Mondays), Sidewalk Café, Birdland and Urban Stages. They were selected for the NYMF concerts Part Of it All in 2012 and Explorers in 2013. Their musical Oasis received a developmental reading through Pace New Musicals in January 2014.

The Rehearsal Room is a recurring concert series that features up-and-coming writers and composers and is produced by Ryan Scott Oliver and Nessie Nankivell. It is run in conjunction with Oliver and Lindsay Mendez's Actor Therapy.

Don't Tell Mama is located at 343 West 46th Street. There is a $10 cover charge plus a two-beverage minimum. For more information, call (212) 757-0788 or visit DontTellMamaNYC.com.