Slam Dunk started out as a pop-punk club night at The Cockpit, Leeds in the early 00's. Out of the success of the club night Slam Dunk started putting on international touring artists from the genre like Fallout Boy, Paramore and Panic! at The Disco in Leeds, before developing Slam Dunk Festival. Slam Dunk Festival is now the number one pop-punk, rock and alternative festival in the UK held over 2 fully outdoor sites in Hatfield Park and Temple Newsam Park in Leeds to over 50,000 rock fans. Artist Lineup: Asking Alexandria Pennywise Artio Asking Alexandria Bob Vylan Boys Like Girls Funeral For A Friend Goldfinger Head Automatica (Decadence 20th anniversary) I Prevail L.S. Dunes La Dispute Mad Caddies Mom Jeans One Step Closer Palaye Royale Pale Waves Pennywise RRY Set it Off The All-American Rejects The Bouncing Souls The Interrupters The Selecter The Skints The Wonder Years Waterparks We The Kings You Me At Six More Info below.