TubeNet

Here is the beginning of "The Battle on the Ice." Its from the movie. Extremely audible tuba solo around :50 into the clip.

http://youtube.com/watch?v=yDLYO5KA3DQ

Also Valery Gergiev conducting the Second Movement from Scythian Suite

http://youtube.com/watch?v=-hQglagzHqI

Enjoy