Blitzstein, Mark - Copland, Aaron - Bernstein, Leonard & Others - Signed Program Page NY 1956

American composer (1905-1964), lyricist, and librettist; American composer (1900-1990), and American conductor and composer (1918-1990). Page from a program mounted on soft paper for a concert of the New York City Symphony Orchestra in October 1956 performing diverse works including Blitzstein's Symphony, signed by the composer himself, Aaron Copland, Leonard Bernstein, Robert Shaw, and David Diamond. Size is 6.7 x 9.75 inches, program page only (not full program), minor stains, otherwise in very good condition.