William Howard Schuman, a celebrated figure in 20th-century music, was a composer and a copious writer on music and music education. Early on, as a composer, he received the attention of several musicians and writers such as Nathan Broder, Elliott Carter, and Leonard Bernstein. He was the recipient of numerous prestigious awards, including the Pulitzer Prize, a Guggenheim Fellowship, and the New York Music Critics Circle Award. After teaching at...