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Kurt Cobain's home demos to appear on "Montage of Heck" soundtrack

The upcoming soundtrack to the Kurt Cobain documentary "Montage of Heck" will be filled with dozens of the late singer's home demos.

Due Nov. 13, "Kurt Cobain - Montage of Heck: The Home Recordings" will feature snippets of materialt that director Brett Morgen discovered on Cobain's personal tapes.

The collection will include cassette recordings Cobain made of songs, short demos and musical experiments, as well as portions of tracks that would eventually end up on Nirvana's albums. It will be available as a digital release, as a 13-track CD or a 31-track deluxe album on double-LP vinyl.

Also out on Nov. 13 is the Blu-ray and DVD versions of the film, which premiered in May on HBO and tells the story of the Nirvana singer's life using home movies, artwork, photography, journals, demos, personal archives, family archives and songbooks.

"I started work on this project eight years ago," said Morgen ("The Kid Stays in the Picture"). "Like most people, when I started, I figured there would be limited amounts of fresh material to unearth. However, once I stepped into Kurt's archive, I discovered over 200 hours of unreleased music and audio, a vast array of art projects (oil paintings, sculptures), countless hours of never-before-seen home movies, and over 4000 pages of writings that together help paint an intimate portrait of an artist who rarely revealed himself to the media."

Separately, a 7-inch recording featuring Cobain's cover of the Beatles' "And I Love Her" and "Sappy (Early Demo)" will be issued on Nov. 20.