Desc: A Punk's Nirvana: Proof of Concept: Directed by Scott Oakley. With Ty Hunter, Rae DeRosa, Kadeem Brown, Nic Schulte. After a police officer is pronounced innocent of the murder of an African-American woman, a high school valedictorian and his three burnout friends assemble a punk-rock band to attack the hypocrisy of the American government.