In 27 Pieces: The Hilary Hahn Encores comes out Nov. 11. Michael Patrick O'Leary/Courtesy of the artist hide caption

itoggle caption Michael Patrick O'Leary/Courtesy of the artist

Luis Diaz (from left), Jenny Undercofler (music director), David Valbuena, Nico Muhly (composer), Haley Gillia, Ramin Abrams, Ethan Cohn and Amanda Lubin of Face the Music. Joan Jastrebski hide caption

itoggle caption Joan Jastrebski