U2's brand new single, "Window in The Skies", features footage from the Stage Show (1956) and de '68 Comeback Special. The technically amazing clip shows Elvis actually singing to the song. Other artists play a part in the clip too.
The clip is available on YouTube:
http://www.youtube.com/watch?v=VskbxuehP3ISource: Elvis Matters / Updated: Dec 21, 2006