What instrument is being played by the Cycladic Keros musician?

The greatest number of blues singers came from

a. plantations in Georgia and South Carolina b. the showboats on the Mississippi and the Ohio Rivers c. the Mississippi Delta and Texas d. downtown New Orleans

What is the concept of huang chung in Chinese philosophy?

A. It is a set of improvisations that the performer chooses so the music will be in tune with the universe. B. It is a scale that reflects the mood of the composer. C. It is the tone that places music in tune with the emperor's family. D. It is the tone on which music should be built to place it in alignment with the universe.