LESSON 1

Sound. What is it?

A sound is a wave.

Every sound is created from vibrations in the air.

It can be louder...

Increasing the height of the wave, or amplitude.

...or more quiet.

Decreasing the height of the wave, or amplitude.

It can be lower in pitch...

Lower notes will become longer waves.

...or higher.

And higher pitched notes will be more compressed.

There are infinitely many notes.

Not just the ones you know, like A through G, but everything in between. So how do we pick which notes to use?

So which notes sound nice together?

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