John Tilden Locke (September 25, 1943 – August 4, 2006) was an American keyboardist and a member of the rock group Spirit. In the early 1980s, he was a member of the band Nazareth. Locke was born in Los Angeles, California. His father was a classical violinist and his mother sang operas and was a composer. In 1967 he formed the Red Roosters with the guitarist Randy California. A year later they had changed the name to Spirit and signed a deal with Ode Records for four albums. He remained involv...