According to the New York Times, the Public Theater is singing, dancing and raising money for its 50th anniversary celebration. On Jan. 30 at City Center, the theater will feature an evening of artists performing selections from signature Public Theater musicals. Imagine songs from “Hair;” “A Chorus Line;” “Bring In da Noise, Bring In da Funk;” “The Wild Party;” “Caroline, or Change;” “Ghetto Superstar (The Man That I Am),” among others. They’re calling it “The Public Sings,” and the lineup of stars scheduled to appear includes Savion Glover, Eartha Kitt, Tonya Pinkins, Rosie Perez, Natalie Portman, Billy Porter, Meryl Streep and Zack Braff. Tickets will go on sale Friday. All proceeds benefit the theater.