Kurt Cobain Documentary, ‘Montage of Heck,’ Will Premiere On HBO In 2015Kurt Cobain Documentary, ‘Montage of Heck,’ Will Premiere On HBO In 2015Though ‘Kurt Cobain: Montage of Heck’ still has not received an official release date, we now know that it will land on HBO next year.Beth KellmurrayBeth Kellmurray