U2 performes live on the David Letterman show "Magnificent" from their latest album No Line in the Horizon in spectacular HD. U2 played a five-night residency on the David Letterman show. "Magnificent" was the song they played the second night to promote the new album No Line in the Horizon. U2's last perfermance on Letterman was in 2001. U2's eight-year absence from ...












