The Best New Ear Training And Music Theory App

Want to become a better musician? Get Solfej now to train your ears and learn music theory.

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Guided Music Theory, Ear Training, & Rhythm Lessons

Practical lesson paths to help you learn music theory. No more Wikipedia/YouTube rabbit holes.

Interactive Ear Training, Music Theory, & Rhythm 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.