"We discovered a language no one has seen or heard since the 16th or 17th century," Mr Quilter said, adding that the language appears to have been influenced by Quechua, an ancient tongue still spoken by millions of people across the Andes.
NPR's Jasmine Garsd, cohost of Alt.Latino, NPR's weekly music podcast, speaks re: indigenous lyrics and music sung in indigenous languages, fused to Western idioms like hip-hop and electronica. The show itself, featuring artists who showcase their musical talents in indigenous languages from Mapuche to Tzotzil, Guarani and Quechua, can be found at this link: http://www.npr.org/blogs/altlatino/2015/03/05/390934624/hear-6-latin-american-artists-who-rock-in-indigenous-languages