Some stories start with quiet nights that wouldn't stir a mouse, but not THIS story, no, this story starts at Harmony House, whose residents would always disagree over whose music was best. Rather than talk to one another, the only way to make themselves heard, was to play LOUDER! Passers-by would cover their ears, shaking their heads at the racket that spilling out into the street. Complaints start pouring in and if the awful noise should continue, the residents would soon be forced to leave. As the musicians try their best to come together, an unexpected source of inspiration helps to unify them and show the power and joy that comes from working in true harmony.