David Gray (11 photos)
Check out all the photos from David Gray's performance.
St. Vincent (12 photos)
Check out all the photos from St. Vincent's exclusive Live on Letterman performance.
Phish (11 photos)
Phish plays an exclusive Live on Letterman concert from the Ed Sullivan Theater in NYC!
Broken Bells (12 photos)
Check out photos from Broken Bells' performance!
The Black Keys (13 photos)
The Black Keys play a Live on Letterman webcast outside the Ed Sullivan Theater in NYC!
Glen Hansard (10 photos)
Check out photos from Glen Hansard's live webcast!
Pitbull (9 photos)
Mr. Worldwide performs Live on Letterman.
The Neighbourhood (11 photos)
The Neighbourhood takes the stage for Live on Letterman.
Lady Antebellum (13 photos)
Lady Antebellum performs Live on Letterman from NYC!
Lorde (10 photos)
The New Zealand pop prodigy performs Live on Letterman.