Not only language barrier, many pieces of great music and dance, specially from oral cultures like mine, go unnoticed most of the time.

Few songs to listen for the added variety and by local singers from Nepal:

https://www.youtube.com/watch?v=HfsipZhqlOk

https://www.youtube.com/watch?v=cXyJuVPInH4

https://www.youtube.com/watch?v=sjD3ayZUTEM

From other parts of the World:

https://www.youtube.com/watch?v=k7lJ69mQe6o

https://www.youtube.com/watch?v=3NIIPUfmr_4

https://www.youtube.com/watch?v=Ql3wuNvSa6U

I have started making a Visual encyclopedia of unwritten and undocumented cultures of the world, currently focusing on Nepal. http://www.viewpedia.org