It's that time of year once more when music festivals take over our social calendars, and if we aren't lucky enough to be at them, then at least now we can watch them from the comfort of our own home. Tonight, over on Sky Arts, you can watch the highlights from the annual Isle of Wight music festival which took place last weekend and featured performances from the likes of Blur, Fleetwood Mac, the Black Keys and the Prodigy.