How hundreds of people speaking more than 20 languages are making beau… CNN 0 99 08.17 00:59 https://www.youtube.com/watch?v=7i63Kqulb-w + 21 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 29 How hundreds of people speaking more than 20 languages are making beautiful music together