A Major 6
Notes:A – C♯ – E – F♯
Formula:Root - Major 3rd - Perfect 5th - Major 6th
Intervals:1-3-5-6
Introduction
Notes
A Major 6 Inversions
| Position | Notes |
|---|---|
| Root Position | A4 – C#5 – E5 – F#5 |
| 1st Inversion | C#5 – E5 – F#5 – A5 |
| 2nd Inversion | E5 – F#5 – A5 – C#6 |
| 3rd Inversion | A4 – C#5 – E5 – F#4 |
Key Signature
The key of A Major 6 has 3 sharps: F♯, C♯, G♯.
F♯C♯G♯
Theory: Intervals
Formula: Root - Major 3rd - Perfect 5th - Major 6th
Intervals: 1-3-5-6
The A Major 6 is built by stacking intervals from the root note. The formula Root - Major 3rd - Perfect 5th - Major 6th describes the scale degrees used. The intervals 1-3-5-6 show the distance between each note in the chord.
A Major 6 — Frequently Asked Questions
What notes are in the A Major 6 chord?
A6 contains: A, C#, E, F#. Major triad with major sixth.
How does A6 differ from Amaj7?
A6 has F# (sixth). Amaj7 has G# (seventh).
How does A6 differ from F#m7?
Same notes, different root.
How is A6 used?
Vintage jazz, country, acoustic. A is a common acoustic key.
What songs use Major 6th?
Swing, country.
Can I substitute A6 for A Major?
Yes.
Practice Tips
- Play A Major then add F#.
- A6 and F#m7 same notes.
- Common in country and acoustic.
- Vintage jazz tonic.
- Compare with Amaj7.
- Warm, nostalgic.