DJs rebel in ‘Pirate Radio’

Available on DVD this week:
“Pirate Radio”: When the British government banned rock ’n’ roll from the airwaves in the 1960s, eight rebel DJs took to a ship in the North Sea to broadcast the sounds of Hendrix, Bowie, and more. With Philip Seymour Hoffman, Bill Nighy, Nick Frost. (1:56; R for profanity and some sexual content including brief nudity) ••
“Red Cliff”: Based on a battle fought in 208 A.D. China in which rival warlords unite to battle a ruthless general. With Tony Leung, Takeshi Kaneshiro. (4:48; not rated, subtitled) ••• 1/2
“Defendor”: A construction worker moonlights as a superhero – minus the superpowers – to defend his city from Captain Industry. With Woody Harrelson, Kat Dennings, Sandra Oh, Elias Koteas. (1:41; R for drug use and profanity, violence and sexual content)
“Tenderness”: A troubled girl falls for a violent teen, who might be a serial killer. With Russell Crowe, Jon Foster, Sophie Traub, Arija Bareikis. (1:41; R for disturbing violent and sexual content, and profanity)