Bmaj7 7ª Mayor Acorde

A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

Bmaj7 Acorde — Quick Answer & Harmonic Definition

The Bmaj7 (Major 7th) chord consists of the notes B, D#, F#, A#. It is constructed from the root note B using the major 7th interval formula (0–4–7–11 semitones).

Formula: 0 – 4 – 7 – 11
Notes
B – D# – F# – A#
Intervals (semitones)
0 – 4 – 7 – 11
Type
7th Chord

Bmaj7 on Piano

Press highlighted keys simultaneously to play the Bmaj7 chord.

R
B (Root (R))
2
D# (Major 3rd)
3
F# (Perfect 5th)
4
A# (Major 7th)

Bmaj7 on Guitar

The Bmaj7 chord uses notes B, D#, F#, A#. Build a voicing by finding these notes on any strings — root on the 6th string is a common starting point for barre chord shapes.

Interval Analysis

Degree Interval Name Semitones Note in B
Root Root (R) 0 B
3rd Major 3rd 4 D#
5th Perfect 5th 7 F#
7th Major 7th 11 A#

About the B 7ª Mayor Chord

The Bmaj7 chord (B 7ª Mayor) consists of 4 notes: B, D#, F#, A#. A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B.

To build any major 7th chord, apply intervals of 0, 4, 7, 11 semitones above the root. Starting from B: the notes land on B, D#, F#, A#.

Playing Bmaj7 on Piano

Press B, D#, F#, A# simultaneously. In root position, B is lowest. First inversion places D# in the bass for a lighter sound; second inversion uses F# as the bass note.

Common Chord Progressions Using Bmaj7

  • I–IV–V: Bmaj7 – Emaj7 – F#maj7 (blues and rock)
  • I–V–vi–IV: Bmaj7 – F# – G#m – E (pop staple)
  • I–vi–IV–V: Bmaj7 – G#m – E – F# (50s progression)

The Bmaj7 Chord in Context

The Bmaj7 (7ª Mayor) chord features a distinctive a major triad with a major seventh. warm, sophisticated sound used in jazz and r&b. built from the intervals 0–4–7–11. It provides rich harmonic color and tension across pop, jazz, classical, and contemporary compositions.

Other B Chords

B
Major
Bm
Minor
B7
Dominant 7th
Bm7
Minor 7th
Bdim
Diminished
Baug
Augmented

7ª Mayor Chord in All 12 Keys

Cmaj7 C#maj7 Dmaj7 D#maj7 Emaj7 Fmaj7 F#maj7 Gmaj7 G#maj7 Amaj7 A#maj7 Bmaj7
Virtual Piano
Play Bmaj7 on piano
Virtual Guitar
See on the fretboard
B Scale
Notes that fit Bmaj7
Songs
Find songs using Bmaj7

Knowledge Base & FAQs

Bmaj7 Chord — Frequently Asked Questions

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

What notes are in the Bmaj7 chord?

The B 7ª Mayor chord contains: B, D#, F#, A#.

These notes are derived by applying the major 7th interval formula (0–4–7–11 semitones) to the root note B.

What is the Bmaj7 chord used for?

A major triad with a major seventh.

Warm, sophisticated sound used in jazz and R&B. The Bmaj7 chord is used across pop, rock, jazz, and classical music. As the I chord in the key of B major, it functions as the most stable resting point in progressions.

How do you play Bmaj7 on piano?

On piano, play B, D#, F#, A# simultaneously.

In root position, B is the lowest note. Inversions move the bass note up — first inversion has D# lowest, second inversion has F# lowest.

How many notes are in a major 7th chord?

A major 7th chord has 4 notes: B, D#, F#, A# (in B).

It is a 7th chord, extending beyond the basic triad.

What is the difference between B major and B minor?

The B major chord (B–D#–F#) uses a major third (4 semitones), giving it a bright, happy sound.

The B minor chord (B–D–F#) uses a minor third (3 semitones), giving it a darker, emotional sound.

What key does Bmaj7 belong to?

Bmaj7 naturally serves as the I chord in the key of B major.

It also appears as IV in the key of F# major, and as V in the key of E major.

Can I play Bmaj7 on ukulele?

Yes.

The ukulele uses GCEA tuning with 4 strings. The Bmaj7 chord notes (B, D#, F#, A#) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.

What chords go well with Bmaj7?

In the key of B major, Bmaj7 pairs naturally with E major (IV), F# major (V), and G#m (vi).

The classic I–IV–V (Bmaj7–E–F#) is the foundation of blues, country, and rock.

What is a chord inversion of Bmaj7?

An inversion places a non-root note in the bass.

Bmaj7 root position: B in bass. First inversion: D# in bass. Second inversion: F# in bass. Inversions create smoother bass line movement without changing the harmony.

How do I memorize the notes in a major 7th chord?

Remember the formula: 0–4–7–11 semitones from root.

For Bmaj7: start on B, add 4 semitones, then 7 semitones, then 11 semitones. Practicing this across all 12 roots builds instant recognition of any major 7th chord.