What is the term to describe the loudness or softness of a musical sound?

Analyze the art of Duccio, Martini, Cimabue, and Giotto by focusing on the growth of naturalism in their figures and the move away from Byzantine images

What will be an ideal response?

Which instruments are playing in the duet in the listening example?

a. oboe and bassoon b. trumpet and trombone c. flute and clarinet d. French horn and saxophone e. violin and cello