The Salvation Kingdom, a new documentary about the life and death of late Metallica bassist, Cliff Burton, is now available. In this film, Burton’s biological big sister, Connie Burton, reveals untold stories as she answers questions such as his favorite hobbies, how often he practiced music, his spiritual beliefs, what Metallica would be if he never joined, and more. Thanks to BurStock Productions, the entire 90-minute film can be seen on YouTube below: