Space plays and stops
- Notes and intervals
- AM3C#m3EM3G#m3B
- Extends
- A Major 7
A Major 9, written Amaj9, is built from A, C#, E, G# and B: the root, major 3rd, 5th, major 7th and 9th.
Its 3rd and 7th, C# and G#, are its guide tones: they say what kind of chord it is, so voicings are built around them and the root is often left to the bass.