Watch the Dorian Funk online guitar lesson by Robert Renman from Blues Booster

By using the A Dorian mode over both chords, we have the perfect scale. In fact, if you look at it from a D7 perspective, we are playing D Mixolydian over that D7 - the notes are identical to A Dorian. Using just one scale can sound boring though, so let's add some diminished ideas too!