We have an exclusive five-minute preview clip from the new documentary Soul Power, which just arrived on DVD and Blu-ray shelves today, January 26. Click below to watch this exclusive five-minute glimpse of the film, which features a performance by soul legend James Brown.

You hold in your hands a backstage pass to one of the most extraordinary concert events ever filmed. Featuring musical legends James Brown, B.B. King, Bill Withers, Celia Cruz and a host of others, SOUL POWER documents three-night Zaire '74 music festival planned to coincide with the now-legendary and epic "Rumble in the Jungle" between Muhammad Ali and George Foreman.