[VIDEO]http://www.youtube.com/watch?v=vBqAjfiG7bE]YouTube - Obscura - Velocity[/VIDEO]
Solo starts around 3:20 mark. It builds up and lasts about a minute. This is a guest solo by the singer of Dark Fortress named Morean. IT'S FUCKING INSANE.
INSANE. The speed and clarity is stupid-ridiculous. No idea how it's done.