A# Major 7th Piano Chord

Root
A#
3rd
CX
Maj 7th
GX
5th
E#
E
G
B
D
F
F
A
C
E
A#
CX
E#
GX

The Notes in an A# Major Seventh Chord

The Root

This is one is easy. All you have to do to find the root of a chord is look at the name of the chord. It's the first part of the name! If it's an A# Major Seventh chord, the root is A#!

The 3rd

The third of an A# Major Seventh chord is CX. The third is up four half-steps from the Root.

Finding CX from A# step by step:

  • Start on: A#
  • Step 1: move up to B
  • Step 2: move up to B#
  • Step 3: move up to C#
  • Step 4: Land on CX
3rd
CX
Root
A#
1
2
3
  • B is a minor second above A#.
  • B# is a major 2nd above A#.
  • C# is a minor third above A#.
  • CX is a major third above A#.

The Maj 7th

The major seventh of an A# Major Seventh chord is GX. The major seventh is a half-step from the Root. A half-step means that there are no piano keys in between. This is why the major seventh is one of the easiest notes to find.

Finding GX from A# step by step:

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

The Inversions of A# Major Seventh

Root Position

Root
A#
3rd
CX
Maj 7th
GX
5th
E#
E
G
B
D
F
F
A
C
E
A#
CX
E#
GX

1st Inversion

3rd
CX
5th
E#
Maj 7th
GX
Root
A#
E
G
B
D
F
F
A
C
E
CX
E#
GX
A#

2nd Inversion

5th
E#
Maj 7th
GX
Root
A#
3rd
CX
E
G
B
D
F
F
A
C
E
E#
GX
A#
CX

3rd Inversion

Maj 7th
GX
Root
A#
3rd
CX
5th
E#
E
G
B
D
F
F
A
C
E
GX
A#
CX
E#

How to find A# Major Seventh with my three-finger-method

This is the method taught in my book "How to Speed Read Piano Chord Symbols"

Step 1) Use the Fourth

Find the Root and the Fourth up from the Root. (See my tutorial on finding fourths).

Root
A#
Root
A#
4th
D#

Step 2) Move the right hand down

Move both fingers in right hand a half-step down (the next key to the left on the piano).

Root
A#
Maj 7th
GX
3rd
CX

How to Find 7th Chords with Nate's Three Finger Method

  • Major 7th chords: bring both fingers down a half-step
  • Minor 7th chords: bring both fingers down a whole-step
  • Dominant 7th chords: bring the Root down a whole-step, the fourth down a half-step
  • Diminished 7th chords: bring the Root down a minor third, the fourth down a whole-step

If you would like to learn more about my method, pick up "How to Speed Read Piano Chord Symbols".

Other Major 7th Chords

Other A# Chords