8 Bar: The Evolution of Grime review - there's more energy in 10 seconds than in five days of Glastonbury

Kano, Skepta, Dizzee Rascal, and co narrate the early days of UK grime in this glorious documentary. The power of early footage of their performances is absolutely breathtaking You really have to admire the brazenness of the UK's grime artists in their prime, as captured in this expansive new documentary film, shown as part of the BBC's Storyville strand. We're shown a letter Lethal Bizzle wrote for this newspaper headlined "David Cameron is a donut". We're shown a pirate radio station based dir...