3 · Rewire
Make it react to the sound
Map the sound onto the picture so the visual moves with the music - the aha.

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1
Open the mapping bridge and map an audio signal - a note's pitch, an envelope, a transient - onto a visual parameter like size or brightness.
✓ That parameter moves the instant the sound plays.
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2
Add a few more mappings - size, colour, glow - so several things react at once.
✓ The picture visibly moves with the music. This is the aha.
This is Vivid's whole idea: sound and picture are one signal path. The clip above is exactly this project, captured live.