Kaltura Share to Google Classroom Bob Masteller explains the importance of practicing music scales and talks about jazz and swing musician, Benny Goodman, as an example. Grades: 6 7 8 9 10 11 12 Subjects: Visual & Performing ArtsMusicMusical StylesJazz Collection: Music CollectionJazz Series: ArtopiaMusicMeet a MusicianBob Masteller