If you've ever heard Jay Chou's "梯田" ("Rice Fields") or A-Yue's "小星星" ("Little Star"), then you've heard Amis chanting. (The first is, of course, a Han performing a chant based on Amis chanting and the latter is an Amis chanting in his tribal language, but both are, nonetheless, Amis chants from Taiwan.)
I had never heard about this being used in Western music until just now. I happened to do a Google search today, and I found
this interesting page from a book. I think I'd noticed something very familiar about Enigma's "Return to Innocence," but I hadn't realized that parts of the song were plagiarized. It used recordings of two Amis (a man and a woman) chanting and no recognition was given to the singers or even the tribe the singing came from. The tribe sued over this. Here's the song:
For some reason, I hadn't heard of this until now. I wonder how many people on this side of the planet know that much of this song came from two uncredited people from Taiwan.