Since forming The Black Keys in 2001, Patrick Carney (left) and Dan Auerbach have evolved from a scrappy home-recording aesthetic into something grander. Danny Clinch/Courtesy of the artist hide caption

itoggle caption Danny Clinch/Courtesy of the artist

Dave Grohl of the Foo Fighters performs at the 9:30 Club in Washington D.C. as part of the birthday celebration for Big Tony of Trouble Funk. Kyle Gustafson/Washington Post/Getty images hide caption

itoggle caption Kyle Gustafson/Washington Post/Getty images

Dan Auerbach and Patrick Carney released El Camino, their latest album as The Black Keys, earlier this week. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Rave On Buddy Holly, a tribute to the rock 'n' roll pioneer, features Holly covers by Paul McCartney, The Black Keys, Patti Smith and many more. The album comes out June 28. Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images