The mathematical rules for creating musical harmony may be more malleable than thought. Western music theory traditionally holds that chords sound most pleasant when they contain notes separated by ...

Do you associate minor chords with sad music and major chords with happy music? If you do, you probably grew up surrounded by music that follows the basic rules of Western music theory. But not ...

Need a challenge? Take your favorite happy song and type the title into YouTube, followed by “in a minor key.” You’ve likely had this distinction drilled into your head by popular music and movies: ...