Theory
🎹ChordsIntermediateseventh-chordsjazz-harmonyextended-harmonyvoice-leading

Seventh Chords Overview

Four-note chords formed by adding a seventh above the root of a triad, creating richer harmonic colors, stronger voice-leading tendencies, and the foundation of jazz, romantic, and contemporary harmony.

Interactive Visualizations

Seventh Chord Family Tree

All seven types organized by quality

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Seventh Chord Interval Structures

Formulas and interval stacks for each type

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Functional Roles by Type

Which seventh chords serve which functions

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Common Resolution Patterns

How each type typically resolves

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Evolution of Seventh Chords

From Baroque to jazz and beyond

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Seventh Chord Usage by Genre

Classical vs jazz vs pop applications

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I. Conceptual Positioning

🎯Problem Solved

How to add harmonic richness beyond triads, create stronger dominant function, enable smoother voice leading, and express more nuanced emotional colors—seventh chords bridge classical and modern harmony.

🔨Skills Built

  • •Construct all seven common seventh chord types
  • •Identify seventh chords by ear and notation
  • •Understand seventh chord function (dominant, tonic, pre-dominant)
  • •Resolve seventh chords with proper voice leading
  • •Apply seventh chords in jazz, classical, and pop contexts

đź”—Connects To

chords/major-minorchords/diminished-augmentedintervals/seventhharmony/functionalharmony/chromaticjazz/harmonyvoice-leading/resolutionscales/chord-scale-theory

II. Knowledge Architecture

This section will be populated with core concepts, sub-concepts, and micro-concepts in future MDX content.

IV. Charts, Maps & Tables

Visual artifacts will be embedded in MDX content as React components.

V. Logical Learning Sequence

Learning progression will be defined in MDX content.

VII. Analytical Application

Cross-genre examples (classical, jazz, pop, film) will be provided in MDX content.

IX. Cross-Topic Network

Concept bridges and overlapping zones will be detailed in MDX content.

XI. Synthesis & Meta-Understanding

Mastery meaning and transformational impact will be explored in MDX content.

What This Unlocks

  • Enables jazz harmony (ii7-V7-Imaj7)

  • Foundation for extended chords (9ths, 11ths, 13ths)

  • Required for chromatic harmony understanding

  • Basis for chord-scale theory