Desc: 20 A.C. - (20 Years After Kurt Cobain): Directed by Josh Lalley, Russell Brooks. Two decades later, the South Puget Sound music scene that birthed the rise of Nirvana is still influenced by Kurt Cobain & Nirvana. Interviews with Robert Lang (Robert Lang Studios, Seattle); Warren Mason (Kurt's first guitar teacher); Aaron Burckhard (early Nirvana drummer); music & more. (2014) An Olympia Film Collective production.