Scott Barnhill, based in the South Bay, is a towering talent on the tenor sax with four decades in the business, and is a key player in the Bay Area. He hails from an important family in Bay Area jazz — his mother, Louise DeLucchi, is a jazz singer, and his late father, the drummer Buddy Barnhill, hit the jazz scene in the 1950s, playing at the Purple Onion in North Beach, the St. Francis Hotel’s Starlight Room and Basin Street West, beginning a high level professional career that lasted six decades.