Language buffs! Today is United Nations International Mother Language Day. On this date in 1952, students demonstrating for recognition of their language, Bangla, were shot and killed by police in Dhaka, the capital of what is now Bangladesh. Learn more here. The commemoration promotes linguistic and cultural diversity and multilingualism. If you feel like celebrating try this link
for a couple hours of linguistic and musical diversity.
I just discovered that National Geographic's Enduring Voices Project which documents endangered languages around the world has a YouTube channel. If you enjoyed listening to samples of the Piraha language during our discussion of Don't Sleep, There Are Snakes or our linguistic explorations in Spoken Here: Travels Among Threatened Languages you'll find more language rarities here. Here is video of a Koro song:
See "Hidden" Language Found in Remote Indian Tribe to learn more about this very recently discovered Tibeto-Burman language.