<P> Castillo wanted to play Bill Graham's Fillmore Auditorium in San Francisco, but he realized he would never get in with a name like The Motowns . The band agreed on Tower of Power and the name stuck . </P> <P> By 1970, the now renamed Tower of Power--now including trumpet / arranger Greg Adams, first trumpet Mic Gillette, first saxophone Skip Mesquite, Francis "Rocco" Prestia on bass, Willie Fulton on guitar, and drummer David Garibaldi--signed a recording contract with Bill Graham's San Francisco Records and released their first album, East Bay Grease . Rufus Miller performed most of the lead vocals on this debut album . The group was first introduced to the San Francisco Bay area by radio station KSAN, which played a variety of artists such as Cold Blood, Eric Mercury and Marvin Gaye . The single "Sparkling in the Sand" received airplay on the Bay Area soul station KDIA . </P> <P> Augmented by percussionist / conga / bongo player Brent Byars, Tower of Power was released from their San Francisco label contract and moved to Warner Bros. Records . With Rick Stevens now replacing Rufus Miller as lead singer, 1972's Bump City gave the band their first national exposure . This album included the hit single "You're Still a Young Man", which peaked at #29 on the Billboard Hot 100 and was Stevens' pinnacle vocal performance before leaving the band . Emilio Castillo, who, along with Stephen Kupka, co-wrote "You're Still a Young Man," told Songfacts that the song was based on a true story concerning a former girlfriend who was six years older . The single "Down to the Nightclub" received heavy airplay on West Coast FM stations and several AM stations . </P> <P> Tower of Power, released in the spring of 1973, was the third album for the band . It featured Lenny Williams on lead vocals and Lenny Pickett on lead tenor saxophone . Bruce Conte replaced guitarist Willie Fulton and keyboardist Chester Thompson also joined the band during the recording of the album . This was the group's most successful album . It peaked at #15 on the Billboard Pop Albums chart and was RIAA certified as a gold record (for sales in excess of 500,000 copies). The album also spawned their most - successful single "So Very Hard to Go". Although the single peaked at #17 on the Billboard Hot 100, it landed in the Top 10 on the surveys of many West Coast Top 40 radio stations, hitting #1 on many of them . The album also charted two other singles on the Billboard Hot 100, "This Time It's Real" and "What Is Hip?" </P>

Who wrote the song you're still a young man