In this excersise you’ll learn a sequence that takes you through every major and minor triad, starting on D major and only changing one note at a time.  Then, in the second video a study based on this concept.  Click here for a bit more detail, it’s under Neo Riemannian Theory.  First example TAB: AC03

Once you’ve done that you can try this next one, which is a more musical study based on the same idea of navigating through all 24 maj and min triads in sequence.  Second example TAB: AC04