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Scale Theory
Scales for Piano and Guitar: The Complete Reference Guide
A comprehensive reference for every essential scale and mode — major, minor, harmonic minor, melodic minor, pentatonic, …
Scale Theory
Japanese Scales: Hirajoshi, Iwato, and Yo Explained
Explore three distinctive Japanese scales — hirajoshi, iwato, and yo — their interval structures, cultural origins, and …
Chord Theory
Secondary Dominants and Borrowed Chords: Adding Colour Beyond the Key
Learn how secondary dominants and borrowed chords let you step outside a key for dramatic harmonic colour. Understand …
Guitar
Guitar Chord Shapes and the CAGED System
Learn how the five open chord shapes — C, A, G, E, and D — connect across the entire guitar neck. Understand the CAGED …
Genre Deep Dives
The ii–V–I Progression in Jazz: Theory and Application
Master the ii–V–I, the most important chord progression in jazz. Learn how it works harmonically, how to voice it on …
Chord Theory
Suspended Chords: Sus2, Sus4, and the Art of Tension
Learn how suspended chords are built by replacing the third with the second or fourth, why they create tension, and how …