Untitled song culls from cassette likely recorded around making of 'Nevermind'
"I didn't realize it was such a historical thing," 19-year-old Maggie Poukkula says. "I thought they were just cool pictures of my dad and Kurt jamming together"
"The dark stuff at the end I think would bum me out," singer says
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Kurt Cobain 'was a master of jerking your chain,' explains Buzz Osborne.
The Nirvana singer's daughter on a sacred mission to create an honest picture of her father-for the world, and herself
Nirvana singer's version of "And I Love Her" will appear in upcoming documentary 'Montage of Heck'
Filmmaker talks about the infamous movie on the rock star couple: "Courtney started defining the film"
HBO offers in-depth look at the upcoming documentary with never-before-seen home movies and family photos
Cobain doc director Brett Morgen describes resurfaced song as "a mind-blowing 12-minute acoustic Cobain unheard track"