It traces the history and impact of one of Canada's most famous groups, lead by the late Gord Downie. The fact that is was directed by the lead singer's older brother, Mike, just makes it more personal. 

But even if you subscribe to Amazon Prime, it may be a while before you get to see it. It makes its world premiere at the Toronto International Film Festival this fall, and will start streaming at a date yet to be announced. But here's a preview of what the four part special will look like.