Sign up for HDpiano:. From Miles Davis to Britney Spears, from Lady From Ipanema to the Wii Shop Channel style, Tritone subs can be discovered in many designs and, initially, tritone substitution can appear like an advance and complex concept. But truly it's as simple as moving your chord down 3 tones! There is so much potential with tritone subs and they can be found in many sizes and shapes, so today let's discover…