Articles
Music Theory, Organized and Searchable.
From diatonic chords to scales, circle of fifths, and transposition — topics beginners struggle with, explained through articles and interactive sound.
Diatonic Chords
5 articles-
4/10/2026
Building Chord Progressions with Diatonic Chords
Learn how to write your own chord progressions using diatonic chords — a practical guide for beginner songwriters.
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4/10/2026
Diatonic Chord Chart: All 12 Major Keys
A complete reference chart of diatonic chords for all 12 major keys — the chords every musician needs to know.
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4/10/2026
How to Memorize Diatonic Chords in Every Key
Practical strategies for learning diatonic chords across all 12 keys — without rote memorization.
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4/10/2026
Tonic, Subdominant, and Dominant: Chord Functions Explained
Understand the three chord functions — T, SD, and D — and how they create tension, release, and emotional direction in music.
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4/10/2026
What Are Diatonic Chords? A Beginner's Guide
Learn what diatonic chords are, which chords belong to a key, and why they matter for songwriting and ear training.
Chord Progressions
3 articles-
4/10/2026
How to Write Your Own Chord Progressions
A practical step-by-step guide to creating chord progressions that actually sound good — using theory as a tool, not a rulebook.
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4/10/2026
Top 10 Essential Chord Progressions
From pop to jazz, these are the chord progressions that appear most often in music — with examples and a breakdown of each.
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4/10/2026
What Is a Chord Progression? A Beginner's Guide
Learn what chord progressions are, why they matter, and how to start hearing and using them in your own music.
Scales
2 articles-
4/10/2026
Introduction to Pentatonic Scales
Learn the major and minor pentatonic scales — the most practical scales for guitarists, pianists, and improvisers of every level.
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4/10/2026
What Is a Scale? Understanding Musical Scales
Learn what scales are, why they matter for melody, improvisation, and harmony, and how different scales create different moods.