The number 1 app in musical scales in Brazil! Learn the logic behind the music system, understand and practice intervals and scales, create your own scales, get more resources, improve your arrangements and improvisations, and expand your horizons in songwriting! With ScaleClock, you learn wherever and however you want! In ScaleClock, the user selects the scale he wants to study in a super complete library and through the interface created by João Bouhid, he can easily change the fundamental