[youtube clipid="TPf6mJsTp44" autoplay="0"]Wu-Tang! Wu-Tang! Everyone's favorite clan invaded the David Letterman stage on Tuesday night to perform their new song "Ruckus in B Minor." The song will be featured on their upcoming reunion album "A Better Tomorrow" due out on December 2nd. Leading up to the release date, the Wu-Tang Clan has been dropping new music including their hot new song "Necklace," which was released last week. Check out the Wu-Tang Clan's performance on the David Letterman show above.