Festival Internacional de Benicàssim has revealed the day-by-day line-up of the 2011 edition. Judging from the promotional images, some of the groups playing on Thursday 14th July on the Green Stage will be The Streets, Paolo Nutini and Pendulum. The Strokes, Brandon Flowers, Elbow, Friendly Fires and The Stranglers will be headlining on Friday 15th, Arctic Monkeys, Mumford & Sons, Primal Scream, Beirut, Big Audio Dynamite and Bombay Bicycle Club on Saturday 16th and Arcade Fire, Portishead, Tinie Tempah, Noah & The Whale and Professor Green on Sunday 17th. There are still some names to be announced, which, according to the organisation during a chat last month, will happen next week. Get your tickets here.