Brittany Howard, Herbie Hancock and Ellie Goulding cover Joni Mitchell at 44th Kennedy Center Honors

As part of the 44th annual Kennedy Center Honors, which aired last night (22 December), the likes of Brittany Howard and Herbie Hancock, Ellie Goulding annd Norah Jones paid tribute to honoree Joni Mitchell.

Brittany Howard and Herbie Hancock played "Both Sides Now", while Goulding covered "Big Yellow Taxi". Norah Jones also played Mitchell's "Help Me".