For centuries, composers and musicians have adhered to the limitations of equal temperament, a tuning system that defines the 12 tones we’re most familiar with. Almost every melody and song you've heard likely uses this system. But in reality, an infinite number of pitches exist between any two notes—pitches we rarely think to use. These microtones surround us constantly, present in everything we hear, each sound carrying its own distinct pitch. So why restrict ourselves to just 12 tones?&nbs...