There are at least two artists with this name. 1) A French rock band and 2) a South African singer. 1) French rock band
Kaolin is a french rock band, with various musical influences but french lyrics. Their music style can be sometimes quite similar to post-rock and at other times a rageful power pop, always underlined by a fine melodic talent, which protects the band from a hasty and simplistic categorization.

Read more about Kaolin on Last.fm.