TIL that a hard, curved surface designed to reflect sound towards an audience (and thus typically placed at the back of an actual stage where musicians can play

TIL that a hard, curved surface designed to reflect sound towards an audience (and thus typically placed at the back of an actual stage where musicians can play) is called a (band)shell [1]. Thanks! [1]: https://en.wikipedia.org/wiki/Shell_(theater) https://en.wikipedia.org/wiki/Shell_(theater)