https://serendip.peckels.com/zats/40research/02melodicmaterial/pentatonicexercise/ Strength of the Pentatonic Scale Pentatonic scales are used extensively in many different musical styles and have been widely adopted in jazz. Pentatonic scales have a strong independent sound and “it is very easy to perceive them as bitonal elements on top of the harmony” (van de Geyn, 2011, p. 8). In an instructional video from the 1980s, John Scofield1 discusses his approach to pentatonic scales. The following table summarizes the available inside-sounding options2 according to chord type: Hugo en-us