Tower Of Power is an Oakland-born funk, soul, R&B, and jazz-funk band known for one of the most iconic horn sections in popular music. Formed around Emilio Castillo and Stephen “Doc” Kupka, the band built its signature East Bay sound with tight grooves, punchy brass arrangements, and songs including “What Is Hip?,” “You’re Still a Young Man,” “So Very Hard to Go,” “Soul Vaccination,” “Squib Cakes,” “Don’t Change Horses (In the Middle of a Stream),” and “You Ought to Be Havin’ Fun.” With a career spanning more than five decades, Tower Of Power remains a major name in live funk and soul, with a catalog that includes East Bay Grease, Bump City, Tower of Power, Back to Oakland, Urban Renewal, Soul Side of Town, Step Up, and It’s Christmas.