Finger Positions

Root Note B

Name B major ninth over D

Intervals 1P-3M-5P-7M-9M

Relative Minor G#m

Notes D, B, D#, F#, A#, C#

Aliases Bmaj9, BΔ9, B^9

How to play the Bmaj9/D Chord

The Bmaj9/D is a fundamental major chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the B major ninth over D is built using the 1P, 3M, 5P, 7M, 9M intervals. In the key of B Major, this chord functions as the I chord.

Common Progressions

In music composition, the Bmaj9/D chord is often used to create tension or resolution.

I-V-vi-IV

B → F# → G#m → E

vi-IV-I-V

G#m → E → B → F#

The Diatonic Family

Understanding the "family" of chords that belong to B helps with transposition and ear training.

Triads

B C#m D#m E F# G#m A#dim

7ths

Bmaj7 C#m7 D#m7 Emaj7 F#7 G#m7 A#m7b5

Scale Compatibility

View All Scales

Major Bebop Lydian Harmonic Major Bebop Major Ichikosucho Messiaen's Mode #3 Chromatic

* 8 scales found containing the notes D, B, D#, F#, A#, C#.

Acoustic & Digital Analysis

Digital footprint of the Bmaj9/D chord for MIDI programming and synthesizer sound design.

MIDI Numbers 62, 71, 63, 66, 70, 61

Frequencies (Hz)

293.6647679174076, 493.8833012561241, 311.1269837220809, 369.9944227116344, 466.1637615180899, 277.1826309768721