(YouTube Link)
Darth Vader did not approve of how the conductor of the Icelandic Symphony Orchestra was leading a performance of The Imperial March, so he stepped in to do the job himself.
In the links, you'll find a longer video of this event from CNN.
via Topless Robot | CNN Video | Orchestra Website
http://www.videosift.com/video/Darth-Vader-takes-Icelandic-Symphony
The Vader costume is even more impressive if you see the other videos from the same poster on youtube, the costume is home made!
Cheers from Iceland...