Become A Better Musician

Solfej is the best ear training & music theory app. Learn music theory and train your ears with confidence.

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Master Music Theory, Ear Training, & Rhythm

Practical lesson paths to help you reach your musical goals. No more Wikipedia/YouTube rabbit holes.

Interactive Excercises

Do you want to recognize intervals? Learn how to play polyrhythms? Know what note is a major 7th above another?

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Simple Language

Tired of dry music theory lessons? Solfej's music theory lessons are designed for humans.