The evening of holiday songs, which begins at 7 PM, features GCP founders Arielle Jacobs (In The Heights) and Lexi Lawson (In The Heights, Rent, "American Idol") as well as Cerveris (Assassins, Evita, Sweeney Todd) with Kimberly Kaye and their band Loose Cattle, Ana Nogueira (In the Heights), Patti Murin (Lysistrata Jones), Renée Marino (Jersey Boys, West Side Story), Q. Smith (Mary Poppins), F. Michael Haynie (Wicked), Emma Hunton (Rent, Next to Normal), Julia Mattison (Godspell), Andrew Kober (Hair), Alexandra Silber (Master Class, Carousel), Hannah Elless (Godspell), Chris McCarrell (Les Misérables), Jillian Kates (Wicked), Ben Holtzman, Ross Baum, Adrian Baidoo, Bruce Landry, Josh Tolle and more.

The concert is directed by Jenny Leon with musical direction by Matt Hinkley. A reception follows the performance.

GCP is a charity organization dedicated to "encouraging camaraderie, instead of competition, amongst middle school girls."

Rockwood Music Hall is located in 196 Allen Street. For tickets, click here. For more information, visit WeAreGCP.org.