Watch the Mixolydian b6 Scale online guitar lesson by Tom Dempsey from Jazz Scales Handbook
The Mixolydian b6 scale is the third dominant scale derived from the Jazz Melodic Minor scale. As the name implies, it has all the characteristics of a Mixolydian mode with an alteration on the sixth degree. This is a great sound to play over dominant 7th chords with a b13.
Here I'll show you a two octave fingering of the scale in second position along with the arpeggio for the parent chord. Having scales in your repertoire that highlight specific extensions and alterations can be very helpful. And this scale answers a very specific and necessary need.