The Bb major 7 / A# major 7 chord (Bbmaj7) is made of the notes Bb, D, F and A. It is built from the root Bb with a major third, a perfect fifth and a major seventh.
The major seventh chord has a soft, dreamy sound, widely used in jazz, bossa nova and pop.
Bb major 7
Notes: Bb – D – F – A
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 6 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x13231. On piano, the right hand plays 4 notes, in root position or in an inversion.
Notes and intervals
Note
Interval
Bb
root
D
major third
F
perfect fifth
A
major seventh
In which keys? The Bb major 7 chord is the IVmaj7 of F major, the Imaj7 of Bb major, the VImaj7 of D minor and the IIImaj7 of G minor.
The notes of the Bb major 7 chord (Bbmaj7) are Bb, D, F and A.
How do you play the Bb major 7 chord on guitar?
On guitar, this chord can be played in 6 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x13231.
How is the Bb major 7 chord built?
The Bb major 7 / A# major 7 chord (Bbmaj7) is made of the notes Bb, D, F and A. It is built from the root Bb with a major third, a perfect fifth and a major seventh.
Are Bb and A# the same chord?
Yes: Bb and A# are the same note (they are called enharmonic), so Bb major 7 / A# major 7 is played exactly the same way, with the same fingerings.