§ Altered Scale For Dominant Chords

• Think of G, with flat 9 and sharp 11.
• This gives us a G, Ab, Bb, B, C#, D, E, F.
• The C# and
• G°7 layer: G, Bb, Db, E (that's 1, #9, #11, 13)
• Ab°7 layer: Ab, B, D, F (that's b9, 3, 5, b7)