🧠 Music Theory Hub

Your complete resource for understanding how music works. From your first scale to advanced harmonic analysis.

Build major, minor, pentatonic, blues and all7 modes

Identify every interval by sight and ear

Major, minor, diminished and augmented triads

Circle of Fifths method — identify any key in seconds

I-IV-V, I-V-vi-IV, ii-V-I and emotional changes

Roman numeral analysis for any piece

Free Templates for This Topic

A clean, high-contrast Circle of Fifths poster showing all 12 major keys (outer ring) and 12 relativ...

Build major, minor, diminished and augmented triads from given root notes — the first step to unders...

A comprehensive key signature reference showing all 15 key signatures in treble and bass clef with t...

Identify and write melodic intervals (unison through octave) on the treble staff — the foundational ...