The course
Six chapters.
Each chapter builds on the one before. Your progress is saved in this browser — mark topics complete as you go.
The language of music from zero — the 12 notes, how they're named and written, and the distances between them.
- Start Here
- Musical Alphabet
- Reading Notation
- Intervals
- Scale Degrees
Time is half of music. Meters, note values, swing and groove — what makes a beat feel the way it does.
- Time Signatures
- Rhythm & Groove
The note families every melody and chord comes from — major, minor, the seven modes, pentatonics and the blues.
- Scales & Modes
- Mode Explorer
- Harmonic Minor
- Pentatonic Scales
- Blues Scale
How notes stack into chords — triads, diminished and augmented, inversions, 7ths, sus chords and lush extensions.
- Triads
- Diminished Chords
- Augmented Chords
- Inversions
- 7th Chords
- Sus, Add & Power
- Extended Chords
How chords move — keys, the Circle of Fifths, progressions, cadences, borrowed chords, modulation and the 12-bar blues.
- Key Signatures
- Circle of Fifths
- Number System
- Progressions
- Cadences
- Borrowed Chords
- Secondary Dominants
- Voice Leading
- Transposition
- Modulation
- 12-Bar Blues
Put it to work — song structure, melodies over chords, call & response and bass lines.
- Song Structure
- Melody over Chords
- Call & Response
- Bass Lines
Practice
Theory labs.
Hands-on tools that pair with the course — open them any time.