Lesson 16 of 84 · Harmony
⭐ 30 XP🎼 Harmony HallJazz Chord Extensions
Quartal harmony stacks fourths instead of thirds (C-F-B-flat).
🎯 Your mission
Train your ear to hear what's hiding underneath.
⚡ The twist
Major sounds bright. Minor sounds soft. Both are beautiful.
Listen for this
🎧 Listen for the SECOND voice underneath the main one.
Artist Spotlight
🌟 Brian Wilson of the Beach Boys layered up to 30 voices on a single song.
Mind = Blown
🤯 Your brain can hear an out-of-tune note even if you've never had a music lesson.
Learn about jazz chord extensions: compare harmonic styles across genres
What You'll Learn
Quartal harmony stacks fourths instead of thirds (C-F-B-flat). It has an open, modern sound used in jazz and film.
Compare harmonic styles across genres
Use harmonic analysis to understand a piece
Notes on the Staff
Tap a note to hear it
Check Your Understanding
Question 1 of 3
What is an interval?
Where you hear this in real life
The reason songs make you feel things is harmony doing its quiet job underneath.
Stretch Challenge
Try this in real life this week.
Sing any note. Then sing one that goes WITH it. What does it feel like together?
For the dinner table
“Play one song together. Talk about what feeling it gave you and why.”
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