Melody, Harmony, Tonality

Where did the major scale come from? Why does most traditional non-Western music not share Western principles of harmony? What does the inner structure of a canon have to do with religious belief? Why, in historical terms, is J.S. Bach’s music regarded as a perfect combination of melody and harmony? Why do clocks in church towers strike dominant-tonic-dominant-tonic? What do cathedrals have to do with monochords? How can the harmonic series be demonstrated with a rope tied to a doorknob, and how