The presence of children in the procession of the imperial family on the Ara Pacis Augustae (Altar of Augustan Peace) reflects Augustus's concern about _____

A feature of the aria "Dido's Lament" is

a. its showy vocal part b. the ostinato in the lower instruments in the orchestra c. the imitation between the orchestra part and the soloist d. the bass part based on a phrase from Gregorian chant e. All of the above

What was the Association for the Advancement of Creative Musicians?

a. a national musician's union for jazz players b. the center of Chicago's avant-garde jazz scene c. a New York organization that promoted free jazz d. a West Coast jazz ensemble that focused on third-stream music