Despite "Watch Your Back" by Benny Cassette playing in the background of the movie Brian doesn't watch his back and proceeded to get hit from behind in Fast and the Furious (2001) :
Benny Cassette - Watch Your Back [The Fast and the Furious Soundtrack] - YouTube
Watch Your Back / Benny Cassette — The Fast and the Furious | Last.fm
Stream Benny Cassette Watch your back (reProd. Jay Witch) by Jay' Witch beatz | Listen online for free on SoundCloud