Scott Henderson Jazz Rock Mastery DVD. In Jazz - Rock Mastery, Scott reveals his unique approach to improvising. Learn how to solo over major, pentatonic, melodic minor, diminished, and whole - tone scales, along with modern uses for arpeggios and triads all in the context of melodic and rhythmic phrasing. Scott breaks down the basics of many rhythmic and melodic motifs used to build solos, along with his many conceptual approaches to phrasing.