Music Chord Map With Independently Rotatable Concentric Layers
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Solution Overview
Problem
Existing music theory teaching methods, particularly in chord theory, fail to effectively illustrate the cyclical and symmetrical connections between harmonies of all 12 keys and the adjacent links between parallel modes in a practical and streamlined manner.
Innovation Solution
A Chord Map comprising three concentrically aligned layers: a chord array layer with concentric rings of major, minor, and diminished chords; a mode numerals layer with transparent numerals to identify chord roles; and a grouping layer for associating chords, all of which can be rotated independently to highlight harmonic relationships and modal interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional chord theory teaching methods are used, then basic chord concepts can be taught, but the cyclical and symmetrical connections between harmonies of all 12 keys and the adjacent links between parallel modes cannot be effectively illustrated
Solution Approach 1:
The chord map divides the complex relationships between chords into three separate concentric rings, each representing a different chord type (major, minor, diminished). This segmentation allows users to focus on one chord type at a time while still seeing the overall circular relationship structure, making the complex information more manageable and easier to understand.
Solution Approach 2:
The patent transitions from traditional linear or flat chord diagrams to a three-dimensional concentric circular arrangement. This dimensional change allows the cyclical relationships between all 12 keys and the symmetrical connections between chord types to be visualized simultaneously in a single compact interface, revealing patterns that are not visible in traditional two-dimensional representations.
2Loss of information
If the circle of fifths is used to organize chromatic pitches, then the sequence of perfect fifths can be visualized, but the many relationships between musical chords cannot be clearly illustrated
Solution Approach 1:
The chord map serves multiple functions simultaneously: it shows the circle of fifths sequence, illustrates relationships between different chord types (major, minor, diminished), displays modal connections, and provides a reference for chord progressions. This multi-functionality consolidates what would traditionally require multiple separate diagrams into a single unified interface, making chord relationship analysis more efficient.
Solution Approach 2:
The patent uses color coding to differentiate between major, minor, and diminished chords, and to highlight specific relationships between chords. This visual differentiation allows users to quickly identify chord types and their relationships without having to read labels or parse complex notations, significantly improving ease of operation.
3Adaptability or versatility
If multiple teaching methods are used to teach chord theory, then comprehensive coverage can be achieved, but the complexity and time required for study increases
Solution Approach 1:
The patent merges the functions of multiple separate teaching resources (circle of fifths diagrams, chord type references, modal charts, progression guides) into a single integrated visual map. This consolidation allows students to replace multiple textbooks and reference materials with one unified tool, significantly reducing the time required to study and reference chord theory while maintaining comprehensive coverage.
Data Source
AI summary
A Chord Map comprises three circular, independently rotatable, concentrically aligned layers of music information: chord array, mode numerals, and grouping. The chord array layer comprises an inner ring (12 major chords), a middle ring (12 minor chords), and an outer ring (12 diminished chords). Text, color, and shape are used to identify the chords, harmonic relationships, and intervallic distances. Spatial organization illustrates chord relationships. The mode numerals layer comprises an inner ring, a middle ring, and an outer ring—each comprising 12 symbols to identify major chords, minor chords, and diminished chords. Sharp and flat symbols further distinguish chords in relation to a given tonic. The mode numerals layer may additionally comprise seven mode labels. The grouping layer comprises an outline to group chords and symbols in the other two layers. The mode numerals layer and grouping layer are transparent so that the information in the chord array layer is visible.