Whoaaaaaa! Check out this incredible photo.

Pierre Boulez (front right), with all the living composers whose works he programmed during his tenure with the New York Philharmonic. The photo was taken in 1977.

First row (left to right): Milton Babbitt, Lucia Dlugoszewski, Ulysses Kay, George Rochberg, and Mario Davidovsky.

Second Row: David Gilbert, Stephen Jablonsky, Jacob Druckman, Roger Sessions, William Schuman, and Aaron Copland.

Third Row: Donald Martino, Donald Harris, Daniel Plante, Morton Gould, Vincent Persichetti, and Roy Harris.

Fourth Row: Charles Wuorinen, Carmen Moore, Sydney Hodkinson, David Del Tredici, Earle Brown, Harley Gaber, Stanley Silverman, John Cage, and Elliott Carter.