Major 9th (Maj9)
Maj7 + 9th
Prove it — just do the practice exercise.
CMaj9 Root Position
C (R)E (3)G (5)B (7)D (9)
The Maj9 extends Maj7 with the 9th (= 2nd scale degree):
• R – 3 – 5 – 7 – 9
The 9th adds color without changing stability. Lush and modern.
Example: CMaj9 = C + E + G + B + D
• R – 3 – 5 – 7 – 9
The 9th adds color without changing stability. Lush and modern.
Example: CMaj9 = C + E + G + B + D