As far as documentaries about Kurt Cobain go, this one rules supreme. There are no talking heads telling tell you all and nothing. There's not even any Nirvana footage (well very little). Some claim this is not even a documentary. Don't beleive them. If you want to get to know Kurt a little more then this is the place for you. Taken from interviews with music journalist Michael Azerrad while writing the book 'Come As You Are'. About A Son is a slow hypnotic trawl through the life of Kurt Cobain via the words of the man himself. Over an hour and half of Kurt thoughts about his life, life in general, the music business and of course Nirvana.
Here's the trailer but have a look around and your sure to find it somewhere.