Turn Blue

The Black Keys
The Black Keys
The Black Keys
Monday night, The Black Keys popped up on "Late Night with David Letterman" to promote their upcoming album "Turn Blue", due out tomorrow (5/13).  They played two songs from album, "Fever" and "It's Up to You Now" while on the show, but earlier, the band played a special 35-minute "Live on Letterman" set from a fire escape high over the Ed Sullivan