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GarageBand User Guide
- Welcome
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- Play a lesson
- Choose the input source for your guitar
- Customise the lesson window
- See how well you played a lesson
- Measure your progress over time
- Slow down a lesson
- Change the mix of a lesson
- View full-page music notation
- View glossary topics
- Practise guitar chords
- Tune your guitar in a lesson
- Open lessons in the GarageBand window
- Get additional Learn to Play lessons
- If your lesson doesn’t finish downloading
- Touch Bar shortcuts
- Glossary
![](https://help.apple.com/assets/5DB9EE1B094622A27C6D0647/5DB9EED7094622A37C6D0A8D/en_GB/8326ebf9ac4b7010ffff4334ce27feb5.png)
Set Advanced preferences in GarageBand on Mac
The Advanced pane contains the following preferences:
![Advanced preferences.](https://help.apple.com/assets/5DB9EE1B094622A27C6D0647/5DB9EED7094622A37C6D0A8D/en_GB/8fb23fe951fa34f9df7eb945d8e3a6e0.png)
Audio Recording Resolution: 24-Bit tickbox: When selected (default), GarageBand can record 24-bit files. When unselected, audio recordings use a resolution of 16-bit.
Auto Normalise: Export projects at full volume tickbox: When selected (default), GarageBand automatically exports projects at the optimum loudness — that is, the highest volume level at which no distortion occurs. This doesn’t affect the volume level when you play the project in GarageBand — only when you export the project.
Movie Thumbnail Resolution buttons: Allows you to choose between a high (default) or low resolution for movie thumbnails in the Movie track.
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