Bmaj9
B Major 9th — the maj7 opened up with a ninth — wide, modern, and glassy; a staple of contemporary keys playing.
The keys
B – D♯ – F♯ – A♯ – C♯
What's inside Bmaj9
| Note | Interval from root | Degree |
|---|---|---|
| B | Root | 1 |
| D♯ | Major 3rd | 3 |
| F♯ | Perfect 5th | 5 |
| A♯ | Major 7th | 7 |
| C♯ | Major 9th | 9 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | B2 – B♭3 |
| Right (colour) | E♭5 – D♭6 |
Where Bmaj9 lives
As the i chord
Bmaj9 → G → A → Bmaj9
The minor home base: i–VI–VII pulls away and lands back home.
In a ii–V–i
D♭m7♭5 → G♭7 → Bmaj9
The minor two-five resolving into this chord as the destination.
Put Bmaj9 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →