The first of what will be many episodes dedicated to power trios, each of whom prove that you can make a mighty racket with simply a guitar, bass and drums (plus plenty of loud amplification). The technical chops of Eric Clapton, Jack Bruce and Ginger Baker are undeniable but on this, their best known song, they simplify to the bare essentials to produce the heaviest track in their catalog and providing a blueprint for many a heavy three-piece to follow.