There is no shortage of information concerning the life and times of music icon Kurt Cobain. Through countless magazine articles, books, and films, a fairly accurate portrait of the man has been created, but a mystery surrounding his troubled existence somehow remains. Director Brett Morgan (“The Kid Stays in the Picture”) appears to understand this impasse, going after the one thing so many journalistic endeavors fail to achieve: access. With permission to pore through diaries, recordings, home movies, and art, Morgan crafts “Cobain: Montage of Heck,” which isn’t an A to Z exploration of the Nirvana frontman’s history, but a full submersion into the viscous fluids of his life force, trying to locate the spirit that existed before the empty shell became famous on a global scale. Read the rest at Blu-ray.com