On the video: The Black Mages – Zeromus
From Album:: The Skies Above (2004)
For those who played Final Fantasy IV. Zeromus music played by The black Mage. With Nobuo Uematsu, composer, producer, and keyboardist for The Black Mages.
On the picture: The Black Mages
Look at the the Black Mages info on Wikipedia:
The Black Mages on Wikipedia