A renowned horn-driven outfit, Tower of Power emerged in the late '60s playing a dynamic blend of R&B, soul, funk, and AM pop. Along with the similarly inclined Chicago and Blood, Sweat & Tears, Tower of Power helped push the sound of brass-infused music into the rock era. Led by Detroit-born tenor saxophonist Emilio Castillo, the Oakland-based group scored hits like "You're Still a Young Man" and "What Is Hip?" throughout the '70s. They also became one of the most sought-after backing ensembles in pop, playing on recordings by Elton John, Santana, Bonnie Raitt, Aerosmith, Josh Groban, and more. While their lineup has changed over the years, Castillo remains a constant and continues to guide the ensemble live and in the studio.