Here’s a fun secret: if you’ve ever played a 7th chord, you’ve been playing tritones all along — the famous ‘devil’s interval’ has been hiding inside your chord vocabulary the whole time, doing its job so smoothly you never noticed. This lesson is the practical companion to our tritone-interval explainer: less what it is, more...Read More

Discover what the 1-3-5 rule in music theory is and how it helps build chords. Learn the basics of chord construction, harmony, and practical applications… What Is the 1-3-5 Rule in Music Theory? The 1-3-5 rule in music theory is a foundational concept used to construct chords and understand harmony. This simple yet powerful rule...Read More