Don't sit on your speakers....case closed.
Why certain music gives us the chills, AKA Frisson
Why Music Can Give You Chills & Goosebumps | Neurologist explains Frisson
https://www.youtube.com/watch?v=UOjjnXWMEvs
I'd be curious to know how many of us experience this. I get the chills quite often, not just with music.