Anyone know what this song is called? JayZ and Kanye West

If you go to http://www.worldstarhiphop.com/videos/video800.php?v=wshhv4da1DgEo8u5q4gG

At the concert, there is a song that starts at 3:55, the song where its like Ooooo ooo ooo oo and he says something like "bachalee"

I'm trying to figure out what song it is, sounds nice. If anyone can help me thanks.

 

its called "gotta have it"

 

Gotta have it...

http://www.youtube.com/watch?v=0R1KKCNcQb4

 

L, funnily enough I was like listening to Watch the Throne.