Learn music theory with Sonid, a free and innovative app.

This is the only application that teaches you how to read music notes and identify chords. You will learn to identify the intervals from the note and you will learn to play by ear using this app.

Learning to read music notes is a fundamental part of any musician’s education. It helps you to understand the structure of the music and to identify chords and intervals.

The application Sonid includes exercises in which you have to play the correct chord and notes of the scale, and it also includes exercises in which you have to identify the intervals.