Music Theory
Understand the building blocks of music. Learn how chords are constructed, how they relate to each other, and how to use theory to enhance your playing.
Essential Topics
Beginner
Major Chords
Learn how major chords are constructed and why they sound bright and happy
Beginner
Minor Chords
Understand minor chord construction and their emotional character
Intermediate
Diminished Chords
Explore the tense, unstable sound of diminished chords and their uses
Intermediate
Augmented Chords
Discover the mysterious, floating quality of augmented chords
Intermediate
Seventh Chords
Add sophistication with major 7th, minor 7th, and dominant 7th chords
Advanced
Chord Inversions
Learn to play chords with different bass notes for smoother voice leading
Quick Reference
Interval Quality
Perfect Unison0 semitones
Minor 2nd1 semitone
Major 2nd2 semitones
Minor 3rd3 semitones
Major 3rd4 semitones
Perfect 4th5 semitones
Tritone6 semitones
Perfect 5th7 semitones
Basic Chord Formulas
Major Triad1 - 3 - 5
Minor Triad1 - ♭3 - 5
Diminished1 - ♭3 - ♭5
Augmented1 - 3 - #5
Major 7th1 - 3 - 5 - 7
Minor 7th1 - ♭3 - 5 - ♭7
Dominant 7th1 - 3 - 5 - ♭7
Getting Started with Music Theory
Music theory is the language that helps us understand how music works. While you don't need theory to make great music, understanding these concepts will make you a more versatile and confident musician.
Start Here
- Learn how major chords are built
- Understand the difference with minor chords
- Practice identifying intervals by ear
- Study common chord progressions
- Explore more complex chords like 7th chords
Remember
Theory is a tool to help you understand what you're hearing and playing. Use it to expand your musical vocabulary, but don't let it limit your creativity. The best musicians combine theoretical knowledge with intuitive musical expression.