What notes are in the Bbmaj7 chord?

Bbmaj7 is made of Bb, D, F and A — the 1, 3, 5 and 7 degrees of a major seventh chord built on Bb.

What keys use the Bbmaj7 chord?

Every note of Bbmaj7 belongs to 4 keys: F Major (IV), Bb Major (I), D Minor (VI), G Minor (III). The roman numeral is the scale degree the chord is rooted on.

How do you play Bbmaj7 on guitar and piano?

This page shows Bbmaj7 on guitar, piano, ukulele, bass, mandolin and banjo — 11 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.

Is Bbmaj7 the same as A#maj7?

Yes. Bbmaj7 and A#maj7 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Bbmaj7 is the spelling this site treats as canonical.

Chord · Bb Major 7th

B♭maj7 Chord

B♭maj7 is Bb, D, F and A — dreamy, sophisticated. Tonic of jazz ballads.

Hear it

B♭maj7 on every instrument

The same 4 notes, 6 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.

What B♭maj7 is made of

Bb Major 7th (Bb major 7th) is built from the notes Bb, D, F, A, with the interval pattern 1, 3, 5, 7. A common major 7th chord across many styles.

Stack 1, 3, 5 and 7 on a root of B♭ and you get Bb, D, F and A. That interval recipe is what makes the chord a major seventh chord — move the same shape to another root and the character travels with it, which is why Cmaj7 sounds like a transposed B♭maj7.

Major 7th: Dreamy, sophisticated. Tonic of jazz ballads.

Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with B♭ rather than its enharmonic equivalent.

Keys that contain B♭maj7

All 4 notes sit inside the scale of 4 keys. The roman numeral marks the degree the chord is rooted on.

Major keys

Minor keys

Other chords on B♭

Same root, different colour.

B♭Bb Major B♭mBb Minor B♭dimBb Diminished B♭augBb Augmented B♭sus2Bb Suspended 2nd B♭sus4Bb Suspended 4th B♭5Bb Power Chord B♭6Bb Major 6th

The same major seventh shape, moved

The identical interval recipe, built on other roots.

Cmaj7C Major 7th Dmaj7D Major 7th Emaj7E Major 7th Fmaj7F Major 7th Gmaj7G Major 7th Amaj7A Major 7th Bmaj7B Major 7th F♯maj7F# Major 7th

Questions people ask about Bbmaj7

What notes are in the Bbmaj7 chord?: Bbmaj7 is made of Bb, D, F and A — the 1, 3, 5 and 7 degrees of a major seventh chord built on Bb.
What keys use the Bbmaj7 chord?: Every note of Bbmaj7 belongs to 4 keys: F Major (IV), Bb Major (I), D Minor (VI), G Minor (III). The roman numeral is the scale degree the chord is rooted on.
How do you play Bbmaj7 on guitar and piano?: This page shows Bbmaj7 on guitar, piano, ukulele, bass, mandolin and banjo — 11 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
Is Bbmaj7 the same as A#maj7?: Yes. Bbmaj7 and A#maj7 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Bbmaj7 is the spelling this site treats as canonical.

Learn the theory behind it

Why B♭maj7 behaves the way it does — the guides that explain the chord instead of just spelling it.

Barre Chords — The Wall Every Guitarist ClimbsThis one asks for a barre. The article is the fix for the buzzing and the aching hand.7 min read Functional Harmony: Three Roles, One EngineWhat a seventh chord is for — tension, resolution, and the seat it takes in the key.6 min read The 12-Bar Blues — Three Chords, A Century of HitsSeventh chords are the whole sound of the blues. Twelve bars is where to hear it.7 min read