Music Theory

Whole steps and half steps are the foundation of music theory. In this guide, you'll learn how to visualize and...

Curious whether it’s easier to learn guitar or piano? This guide breaks down the key differences between the guitar fretboard...

Intervals are the foundation of music theory. In this post, you'll learn the difference between harmonic and melodic intervals, how...

Modes are alternate versions of the major scale that each create a different musical mood. This post breaks them down...

Every major key has a relative minor with the same notes. This post explains how to find them, why they...

Scales are the building blocks of melody and harmony. Learn how piano scales work, how to create them in any...

What does it mean when a song is "in a key"? Learn how to identify the music key, understand key...

Learn the difference between half steps and whole steps on the piano, and discover why these small movements are the...

Learn how to identify and name every note on the piano keyboard—both white and black keys. Perfect for music producers...

Discover how music producers can master the piano keyboard by learning the 12-note pattern that repeats across all octaves. This...

Put minor-key chords to work: play the i–VI–III–VII progression in every minor key on PlayTheory.

Want to hear it and play it yourself? See the I–IV–V chord progression in every key on PlayTheory, and play...