Watch the 1 b3 5 Structures online guitar lesson by Brad Carlton from Guitar Lab: Open String Universe

This lesson uses a root position minor triad on the 5th, 4th and 3rd strings combined with the 2nd and 1st strings open. Voicing 1 is a C#m7 voiced 1 b3 5 b7 b3. Use dorian, aeolian or phrygian for soloing. Voicing 2 is a Dm 6/9 voiced 1 b3 5 6 9. Use dorian or melodic minor over this chord. Voicing 3 is an Em voiced 1 b3 5 5 1. Use dorian, aeolian, melodic minor or phrygian over this chord. Voicing 4 is an F#m 7/11 voiced 1 b3 5 4 b7. Use dorian, aeolian or phrygian over this chord. Voicing 5 is an Am add9 voiced 1 b3 5 9 5. Use dorian, aeolian or melodic minor for soloing.