On 26 June 1995 Mogwai gathered in the Glasgow living room of Stuart Braithwaite's parents to rehearse together for the first time. 20 years later, to the week, they're playing at London's Roundhouse to celebrate two decades of breaking noise curfews worldwide. This is about as inventive and dynamic as post rock gets – amazing, mesmerising stuff. Don't miss out. Support: Prolapse + Sound Of Yell Valid ID required. Under 16s must be accompanied by an adult.