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 Theater.

See the studio performances, as well as the entire fire escape set below:

The Black Keys 2014 tour takes them to The American Airlines Center in Dallas on November 16th. Tickets go on sale to the general public Friday (5/16) morning at 10am, but 99X listeners can get the unfair advantage...find out how by clicking the button below:

If that wasn't enough, you still have a chance to win a copy of the Black Keys new album "Turn Blue" before you can buy it!  Click the button for all the details: