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Common mistake

Believing individual notes are happy or sad

It sounds like this

“Some notes are sad notes and some are happy ones.”

Why it’s wrong

Any single note can sit in a happy tune or a sad one; the mood comes from how far apart the notes around it are.

The lesson that fixes it

Cognosc spots mistakes like this.

When you explain something in your own words, Cognosc can tell exactly which mistake you’re making — not just that you’re wrong — and gives you a short lesson to fix that one thing.