4.7 Modulation Pathways

A shared pivot chord connects adjacent Rectangle keys.

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Choose a starting tonic — Rectangle values

Shared chord, new home

A pivot chord belongs to both neighbouring keys, allowing the music to change home without breaking its flow.

1Choose a starting key and Major or Minor

2Choose a five-chord modulation progression

3Play, then follow source → pivot → dominant → new home

Choose key type

Choose progression

What changes?

Chord tones

Choose a progression, then play or inspect any chord.SpeedNormal

Chord Construction Lesson Navigator

Use this as a chapter menu or search the approved ChordWalk lessons.

SOUND FOUNDATIONS

10.1 Composite WavesIndividual tones combine.10.2 Building TriadsStacked thirds.10.3 Seventh ChordsAdd colour and tension.10.4 Hidden GeometryWhite/black fifth rule.10.5 Trapped B and B♭Tritone exceptions.

HARMONY

10.6 Why Every V7 Contains a Tritone 10.7 Why Every iiø Contains a Tritone 10.8 Resolution Preview

HARMONIC MOVEMENT

10.9 Three-Chord Trick 10.10 Four-Chord Trick 10.11 V7 Resolution Progressions 10.12 iiø–V–i Progressions 10.13 Classical Cadences 10.14 Jazz iiø–V7–i Movement 10.15 Borrowed Chord Progressions

INVERSIONS & VOICINGS

4.3 Triads and Slash Notation 4.6 Chord Voicings

MODULATION & HARMONIC NAVIGATION

4.7 Modulation PathwaysAdjacent keys through a pivot chord.

MASTERY

Mastery AcademyFinal checks for retention.