Herbert Jeffrey "Herbie" Hancock (born April 12, 1940) is a jazz pianist and composer. He embraces elements of rock and soul while adopting freer stylistic elements from jazz. As part of Miles Davis's "second great quintet", Hancock helped redefine the role of a jazz rhythm section, and was one of the primary architects of the "post-bop" sound. Later, he was one of the first jazz musicians to embrace synthesizers and funk. Yet for all his restless experimentalism