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Turn on visual effects in Music on Mac
Use the visualizer to watch colorful light shows. You can use the visualizer with or without music; the effects change based on the type of music and whether it’s playing or paused.
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Go to the Music app
on your Mac.
Play music from your library, Apple Music, the radio, or a CD.
Note: A song needs to be playing before you can use the visualizer.
Do one of the following:
Turn on visual effects: Choose Window > Visualizer.
To change visualizer options, choose Window > Visualizer Settings > [option]. For example, to show or hide music videos, choose Window > Visualizer Settings > Play Videos. A checkmark means that videos will play. (Not all visualizers support options, so Options may be dimmed.)
Tip: To show or hide a list of commands you can use to control the visualizer, press the Question Mark key (?) on your keyboard while the visualizer is on.
Turn off visual effects: Choose Window > Visualizer (to remove the checkmark), or press the Esc key.