This is the Helsinki Phil's Bruckner 8. It'll be up until early March. It was recorded on Feb. 7, 2013 Jukka-Pekka Saraste is the conductor.
The director of the video does a really job of showing the horns,Wagner tubas and all the brass. She/he might even be a brass player!
http://areena.yle.fi/tv/1826414