Learn Music Theory
Understand how music works - notes, scales, chords, and harmony.
Free to start · Built from a single prompt · No credit card
Music theory is the language behind every song, and it unlocks writing, improvising, and playing by ear. Learnr generates a personalized music theory course from a single prompt and teaches it through interactive lessons that connect the concepts to sound, so it clicks instead of feeling abstract.
What you'll learn
- Read notes, rhythm, and the staff
- Build major and minor scales
- Understand intervals and how they sound
- Construct and recognize chords
- Grasp keys, progressions, and basic harmony
What's inside your Music Theory course
A sample path Learnr builds for Music Theory. Your real course adapts to your goal and level.
- 1Notes, the staff, and rhythm
- 2Half steps, whole steps, and intervals
- 3Major and minor scales
- 4Building chords
- 5Keys and chord progressions
- 6Basic harmony and ear training
How Learnr builds your course
- 1
Type your topic
Tell Learnr you want to learn music theory, or get as specific as you like.
- 2
Get a personalized course
Learnr instantly builds a full Music Theory course tailored to your goal and skill level.
- 3
Learn and level up
Move through bite-sized lessons and interactive practice, earning XP and keeping your streak.
Music Theory questions, answered
No, though it helps. Learnr teaches theory in a way that stands on its own and directly improves how you play any instrument later.
Yes. Understanding scales, chords, and progressions is exactly what songwriting and improvisation are built on.
Ready to learn music theory?
Start your free, personalized Music Theory course in seconds.