Roadside Attractions and Sony Pictures Worldwide Acquisitions’ Stage 6 Films are teaming to release “Tonight You’re Mine” in theaters May 11.SPWA originally acquired the film under the title “You Insteas.” It had its world premiere in 2011 at its hometown Glasgow Film Festival, followed by a US premiere at the SXSW Film Festival. SPWA will distribute all other US media. Shot entirely on location at Scotland’s T in the Park music festival, the pic’s directed by David Mackenzie and stars Luke Treadaway, Natalia Tena, Alastair MacKenzie , Gavin Mitchell and Sophie Wu. Thomas Leveritt penned the script, and the film was produced by Gillian Berrie. Set against the picturesque yet raucous backdrop of a rock n’ roll music festival, the film follows strutting indie music star and feisty punk-rock girl band leader as they are handcuffed together as part of a backstage altercation.