Last night, The Flaming Lips and Sean Lennon performed "Lucy In The Sky With Diamonds" on the Late Show With David Letterman. I found it quite wonderful. It's part of the show's musical series this week celebrating the 50th anniversary of The Beatles' first performance on the Ed Sullivan Show.
The Flaming Lips and Sean Lennon: "Lucy In The Sky With Diamonds"
http://www.youtube.com/watch?v=eUkm78l9xoI