Sunn O))) review – elemental assault between a 747 and Satan's helicopter

Royal Festival Hall, London
With a schlocky Hammer Horror aesthetic, Sunn O))) worship decibels and endurance – the musical equivalent of slow death from aggressive diseaseIf Channel 5 ever commissions Extreme Gigging With Robson Green, Sunn O))) would be a fitting band for episode one. These Seattle drone metallers, famed for playing deathly deep-end soundscapes at volumes designed to “massage the listeners’ intestines into an act of defecation”, are no ordinary alchemis