Dave Matthews fans, Hulu is so trying to be your best friend. The video site will exclusively stream the Dave Matthews Band’s concert from the Beacon Theatre tonight at 9 p.m. ET (see below). And Hulu also has the goods on Scenes From the Big Whiskey, a documentary on the making of the band’s new album, Big Whiskey and the GrooGrux King, which you can watch in its entirety for the next few days at Hulu.com. While you’re there, check out some of the band’s old videos for songs like “Crash Into Me” and “Stay (Wasting Time).” Anyway, tonight, you can check out Hulu’s concert feed, embedded right here….