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AM9 Piano Chord

AM9

A Major 9th (with 5th)

3rd
C#
5th
E
9th
B
Maj 7th
G#
Root
A
PLAY
→
←
E
G
B
D
F
F
A
C
E
A
C#
E
G#
B

The Notes in a A Major 9th (with 5th) Chord

The 3rd

Finding C# from A step by step:

  • Start on: A
  • Step 1: move down to G#
  • Step 2: move down to G
  • Step 3: move down to F#
  • Step 4: move down to F
  • Step 5: move down to E
  • Step 6: move down to Eb
  • Step 7: move down to D
  • Step 8: Land on C#
3rd
C#
Root
A
1
2
3
4
5
6
7
PLAY
  • G# is a minor second below A.
  • G is a major 2nd below A.
  • F# is a minor third below A.
  • F is a major third below A.
  • E is a fourth below A.
  • Eb is a flat fifth below A.
  • D is a fifth below A.
  • C# is a sharp fifth (minor sixth) below A. The 3rd is down a sharp fifth (minor sixth)? Confusing, right? The note C# is down 8 half-steps from A, but up 4 half-steps from A:
3rd
C#
Root
A
1
2
3
PLAY

The 5th

Finding E from A step by step:

  • Start on: A
  • Step 1: move down to G#
  • Step 2: move down to G
  • Step 3: move down to F#
  • Step 4: move down to F
  • Step 5: Land on E
5th
E
Root
A
1
2
3
4
PLAY
  • G# is a minor second below A.
  • G is a major 2nd below A.
  • F# is a minor third below A.
  • F is a major third below A.
  • E is a fourth below A. The 5th is down a fourth? Confusing, right? The note E is down 5 half-steps from A, but up 7 half-steps from A:
5th
E
Root
A
1
2
3
4
5
6
PLAY

The 9th

Finding B from A step by step:

  • Start on: A
  • Step 1: move up to Bb
  • Step 2: Land on B
9th
B
Root
A
1
PLAY
  • Bb is a minor second above A.
  • B is a major 2nd above A.

The Maj 7th

Finding G# from A step by step:

  • Start on: A
  • Step 1: Land on G#
Maj 7th
G#
Root
A
PLAY
  • G# is a minor second below A. The maj 7th is down a minor second? Confusing, right? The note G# is down 1 half-steps from A, but up 11 half-steps from A:
Maj 7th
G#
Root
A
1
2
3
4
5
6
7
8
9
10
PLAY

The Root

Finding A from A step by step:

  • Start on: A
  • Step 1: move down to G#
  • Step 2: move down to G
  • Step 3: move down to F#
  • Step 4: move down to F
  • Step 5: move down to E
  • Step 6: move down to Eb
  • Step 7: move down to D
  • Step 8: move down to C#
  • Step 9: move down to C
  • Step 10: move down to B
  • Step 11: move down to Bb
  • Step 12: Land on A
Root
A
Root
A
1
2
3
4
5
6
7
8
9
10
11
PLAY
  • G# is a minor second below A.
  • G is a major 2nd below A.
  • F# is a minor third below A.
  • F is a major third below A.
  • E is a fourth below A.
  • Eb is a flat fifth below A.
  • D is a fifth below A.
  • C# is a sharp fifth (minor sixth) below A.
  • C is a major sixth below A.
  • B is a minor seventh below A.
  • Bb is a major seventh below A.
  • A is a octave below A. The root is down a octave? Confusing, right? The note A is down 12 half-steps from A, but up 0 half-steps from A: