LISTEN: Early Nirvana Demos London, ON, Canada / (CFPL FM) FM96 London Travis Pelletier January 09, 2018 06:28 pm John Purkey. An old friend of Kurt Cobain has uploaded some early Nirvana demos to YouTube. The quality isnt the greatest. However it’s interesting to listen to early work and see how they evolved. I am message box. Click edit button to change this text.