LISTEN: Four Early Demo Cassettes from Nirvana Have Surfaced

A Seattle musician has posted four cassette tapes that he says were personally given to him by Kurt Cobain, according to NME.

John Purkey has uploaded each cassette to separate YouTube videos, all of which begin with the guitarist explaining the backstory on each.  Some material may sound familiar — those songs have been remastered and released before.  But you can check out the just released raw form below: