Movie of Tuvan Throat Singing- make sure you turn on the sound. Throat singing can create two or more notes at the same time by a single singer. Tuva is in Siberia near Mongolia.
Other music:
Lowell Folk Fest: Capoiera, Senagalese music, Tuvan throat singing, Polka music, Bluegrass, New England Barn Dancing
Hatch Shell: Beach Boys (with John Stamos)