Why is a 100 person choir singing the same song not 100 times louder than one person?

Question

I suspect it’s something to do with sounds waves so have flaired as physics, but not sure?

In: 896

Answer 1

Lots of people are coming at thus from a physics perspective, but I’ll come at it from a singing perspective. Soloists generally sing louder, while the individual members of a choir generally sing quieter. Soloists also get amplified more.

This is because it sounds better musically.