Who was Duke Ellington's main collaborator?

The music of ____ and ____ had a significant impact on Copland's Piano Variations

A) Chopin, Robert Schumann B) Prokofiev, Bartók C) Stravinsky, Schoenberg D) Debussy, Satie

Which Netherlandish painter developed an illustrious reputation as a portraitist during the sixteenth century?

A. Caterina van Hemessen B. Hieronymus Bosch C. Albrecht Dürer D. Pieter Bruegel