Bud Shank leaned toward to cooler alto style in his first years, making some marvelous records. Sometime in the '70s his style changed and he began heating it up. He changed his sound.

If there is still a west coast kind of jazz it's because players associated with the west coast still play music. That's obvious, of course, but even in its heyday the west coast style covered a broad group of stylistic tendencies, from the cool of a 

Chet Baker
trumpet and vocals1929 - 1988