books.google.ca - The Dene nation consists of twelve thousand people speaking five distinct languages spread over 1.8 million square kilometres in the Canadian subarctic. In the 1970s and 1980s, the campaign against the Mackenzie Valley pipeline, support for the leadership of Georges Erasmus in the Assembly of First Nations,...http://books.google.ca/books/about/Drum_songs.html?id=HHcifZDOwDwC&q=important&utm_source=gb-gplus-shareDrum songs