Music Theory Decoder

Stop juggling five different apps and theory books. Music Theory Decoder combines a complete music theory guide — 18 in-depth lessons with interactive examples — with the practical tools you actually need: chord finder, scale library, tuner, metronome, drone, and vocal practice. Built around an interactive Circle of Fifths, every theory concept links directly to the chords, scales, and progressions where you'll use it. Hear it. See it. Understand it. — WHAT'S INSIDE — ◆ DECODER The interacti