Particle Based Rain Audio System

Using Unreal 5 I explored the idea of a rain system that uses every particle to trigger a rain sound with material switching. I used Niagara, meta sound sub-system, and audio modulation.
How to pass collision data from Niagara to Blueprint - • UE4 - Niagara Export P...
Meta Sound Subsystem Tutorial - • Unreal Engine 5.3 | Fr...
Audio Modulation Tutorial - • Audio Modulation Mixin...
Chapters:
0:00 Intro to video
1:58 Rain system explanation
6:18 Outro to video