There's nothing magic in it. Any two pitches that have a rational number ratio with a small denominator sound "correct". It's just a quirk of human physiology.

There's nothing magic in it. Any two pitches that have a rational number ratio with a small denominator sound "correct". It's just a quirk of human physiology. The real creativeness and ingenuity comes from rhythm and the interplay of repetitive and surprising sounds. The pitches are not important.