Kurt Cobain Demo to Feature in 'Montage of Heck' Theatrical Re-Release

Nirvana fans will be able to hear a previously unreleased song that Kurt Cobain wrote when the documentary, Montage of Heck, gets a widespread theatrical re-release on August 7th. Filmmaker Brett Morgen mixed in the tune – without re-editing what people saw in the film’s HBO broadcast – though he would…