Gamelan is a form of ensemble music in Indonesia.
The number of musicians and types of instruments involved varies.
Background information about this art form can be found at http://en.wikipedia.org/wiki/Gamelan or http://www.seasite.niu.edu/Indonesian/budaya_bangsa/Gamelan/Main_Page/main_page.htm .
This video is “non-traditional” in a sense, but the contemporary fusion stuff can be fun!
Mission Impossible Music ala Gamelan from Indonesia: