In a discussion, peter shares his opinion about playing in the marching band: "everyone should join the marching band! making music with my friends is a lot of fun." which fact best supports peter's opinion? students who listen to music while completing homework are often distracted. students who play an instrument get better grades than students who do not. marching bands usually include woodwind, brass, and percussion instruments. marching bands were originally part of the military, used to direct troops on the battlefield.