Who was a member of the Sun Records Million Dollar Quartet?

Why should we try to approach listening in a "musically active way"?

A) because knowing a lot of information is a sign of a cultured person B) to heighten your understanding and, as a result, enjoy it more. C) to help out all those struggling performers D) to pay tribute to the composer who created the work

Accidentals that had to be imagined because they were not part of the medieval scale are called:

A) musica recta B) diabolus in musica C) sincopa D) musica ficta