Actually I am wanting to learn something about Chinese music but I have yet to really get started. What I like the best now are some flute recordings done in 5.1.

My favorite foreign language album right now is

https://en.wikipedia.org/wiki/Mwng

I never get tired of listening to it. I do find though that the cognitive load of handling languages I half-understand is pretty high which is not a problem for Welsh but more a problem for Japanese or German and actually was really bad when I was watching an anime subtitled in German.