Think you know Kurt Cobain? A new documentary on the Nirvana frontman may have you thinking otherwise. Kurt Cobain: Montage of Heck goes deep behind the musician's personal life, exposing new facts and hidden secrets that are just now coming to light. The trailer has been released, which offers a sneak peek at what we can expect from this moving new expose.

Brett Morgen, the man behind such acclaimed documentaries as The Kid Stays In The Picture, Chicago 10 and Can't Stand Losing You: Surviving the Police was given unprecedented access into Kurt Cobain's private life. He enjoyed the full cooperation of Kurt Cobain's family and friends, and was able to incorporate family videos, films and even some of the 90s icon's artwork in creating this new take on a much-told story.

RELATED: 11 Most Shocking Movie Scenes of 2015

Kurt Cobain: Montage of Heck allows fans to Experience Kurt Cobain like never before in the first fully authorized portrait of the famed rock music legend. Brett Morgen expertly blends Kurt Cobain's personal archives with animation and revelatory interviews from his closest confidants. Following Kurt from his earliest years in Aberdeen, Washington, through the height of his fame, a visceral and detailed cinematic insight of an artist at odds with his surroundings emerges. While Cobain craved the spotlight even as he rejected the trappings of fame, his epic arc depicts a man who stayed true to his earliest punk rock convictions, always identifying with the "outsider" and ensuring the music came first. Take a look at this sneak peek before the film debuts on HBO this May: