Video: Elvis Costello and The Roots turn ‘I Want You’ into a 13-minute slow burn

We posted some audience video out of the one-off Elvis Costello and The Roots show in Brooklyn last week, but now comes something far better: Pro-shot footage from the Roots-affiliated okayplayer of Costello, ?uestlove and Co. playing a sizzling, 13-minute version of Costello’s Blood & Chocolate classic “I Want You.”