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A#7#9 Piano Chord

A#7#9

A# 7 Sharp Nine

♯9th
C#
3rd
CX
Min 7th
G#
Root
A#
PLAY
→
←
E
G
B
D
F
F
A
C
E
A#
CX
G#
C#

The Notes in a A# 7 Sharp Nine Chord

The # 9th

Finding C# from A# step by step:

  • Start on: A#
  • Step 1: move up to B
  • Step 2: move up to B#
  • Step 3: Land on C#
♯9th
C#
Root
A#
1
2
PLAY
  • B is a minor second above A#.
  • B# is a major 2nd above A#.
  • C# is a minor third above A#.

The 3rd

Finding CX from A# step by step:

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

The Min 7th

Finding G# from A# step by step:

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

The Root

Finding A# from A# step by step:

  • Start on: A#
  • Step 1: move down to GX
  • Step 2: move down to G#
  • Step 3: move down to FX
  • Step 4: move down to F#
  • Step 5: move down to E#
  • Step 6: move down to E
  • Step 7: move down to D#
  • Step 8: move down to CX
  • Step 9: move down to C#
  • Step 10: move down to B#
  • Step 11: move down to B
  • Step 12: Land on A#
Root
A#
Root
A#
1
2
3
4
5
6
7
8
9
10
11
PLAY
  • GX is a minor second below A#.
  • G# is a major 2nd below A#.
  • FX is a minor third below A#.
  • F# is a major third below A#.
  • E# is a fourth below A#.
  • E is a flat fifth below A#.
  • D# is a fifth below A#.
  • CX is a sharp fifth (minor sixth) below A#.
  • C# is a major sixth below A#.
  • B# is a minor seventh below A#.
  • B 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#: