Lesson 51 of 84 · Harmony
⭐ 30 XP🎼 Harmony HallModulation: Changing Keys (Part 2)
Quartal harmony stacks fourths instead of thirds (C-F-B-flat).
🎯 Your mission
Stack the sound. Find the sweet spot.
⚡ The twist
Some chords feel like a question. Others feel like an answer.
Listen for this
🎧 Pick out the lowest note. That's the bass — the foundation.
Artist Spotlight
🌟 The Beatles' three-part harmonies were so tight they sounded like one voice.
Mind = Blown
🤯 Some cultures use scales with 22 notes — way more than the 7 you know.
Learn about modulation: changing keys (part 2): construct major and minor triads
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.
Construct major and minor triads
Identify chord inversions by ear
Check Your Understanding
Question 1 of 3
What is the main difference between major and minor keys?
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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Modulation: Changing Keys (Part 2)
Stack the sound. Find the sweet spot.
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