As a jazz player Herbie Hancock is at home in many styles. But only during his excursions into pop music does the All-rounder his true qualities. There it grooves out every beat and goes straight into the legs. Such was on the album "Head Hunters" released in 1974 - the buying propensity triggered by the hit "Watermelon Man of the fans brought the 1940 born in Chicago Keyboarder his first million seller.