The White Stripes. Patrick Pantano/Courtesy of the artist hide caption

itoggle caption Patrick Pantano/Courtesy of the artist

As the NPR Music team and others prepared to leave the network's old headquarters, mysterious messages began appearing on the windows and walls: "Everything will be better!" Mito Habe-Evans/NPR hide caption

itoggle caption Mito Habe-Evans/NPR

Jack White of The White Stripes performs during the fourth and final day of the Bonnaroo Music and Arts Festival June 17, 2007 in Manchester, Tennessee.

Jeff Gentner/Getty Images hide caption

itoggle caption Jeff Gentner/Getty Images

A scene from the documentary White Stripes: Under Great White Northern Lights. Autumn de Wilde/Woodshed Films hide caption

itoggle caption Autumn de Wilde/Woodshed Films
Courtesy of the artist