This is a very significant jazz album. Using 3 different bands, Herbie Hancock was able to draw a connective thread that weaves from Charlie Parker and Dizzy Gillespie, through Miles Davis to Weather Report, Chick Corea and Wynton Marsalis. The album is a great way to get introduced to a wide variety of jazz styles, And by following these threads, you can find some of the best jazz ever played. I'm very happy that this seminal record has been added to iTunes.