There are hundreds of unexplored traditional or ethnic theatrical styles and dances around the world, and you might just find the next big thing if you search real good.
Some videos below show artists who have taken ideas from traditional theatrical styles around the world, fusing with modern styles to create into something 'new'; like David Bowie, who create the "Star Man" from Japanese Kabuki, or Beyonce who created the "Single Ladies" choreography from "Mexican Breakfast". Other videos show selected interesting traditional theater and dances from around the world, like the Maori Haka, or Chinese Wushu, and more.
Have you tried making a music video using any kind of traditional artform around the world? If so, please feel free to send it here.