The Symphony No. 7 of Roger Sessions was written in 1967 for the 150th anniversary of the University of Michigan . It was premiered in Ann Arbor, Michigan, on October 1, 1967, by the Chicago Symphony Orchestra, conducted by Jean Martinon.
The symphony is scored for three flutes, three oboes, four clarinets, three bassoons, four horns, three trumpets, three trombones, one tuba, timpani, percussion, piano, harp, and strings.
It is in three movements:
Andrea Olmstead describes all of Sessions's symphonies as "serious" and "funereal", with No. 7 being one of four with, "quiet reflective endings."
The composer said that the symphony was influenced by the Story of O.