Widely celebrated American contralto Marian Anderson (1897-1993), the first black person, American or otherwise, to perform at the at the Metropolitan Opera and an inspiration to many future African American performers. Signed album page with 1 bar of music from J.S. Bach, dated in 1937. 

Also included: verso page contains 4 signatures and accompanying musical quotes by all 4 members of the Aguilar Quartet, a famous Spanish Lute quartet that performed on tour in the 1920s and 30s, dated in 1938. Size is 5.75 x 7.75 inches, in excellent condition.