One of my children has just started the Dutch equivalent of highschool, they came home and told me that they had learned that there was a language in the world that had clicks in it. "Oh, Xhosa?" I said and put on this beautiful live rendition of Qongqothwane by Miriam Makeba
Miriam Makeba - Click Song (Qongqothwane) (Live)
https://www.youtube.com/watch?v=vhgb60Qsjrs