B♭6

Bb Major 6th — a major triad sweetened with the sixth — settled, vintage, and smoother than a maj7 in many endings.

The keys
C4C5C6
B♭ – D – F – G
What's inside B♭6
NoteInterval from rootDegree
B♭Root1
DMajor 3rd3
FPerfect 5th5
GMajor 6th6
Inversions
PositionKeys (low → high)
Root positionB♭4 – D5 – F5 – G5
1st inversionD5 – F5 – G5 – B♭5
2nd inversionF5 – G5 – B♭5 – D6
3rd inversionG5 – B♭5 – D6 – F6
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)B♭2 – F3
Right (colour)D5 – G5
Where B♭6 lives

As the I chord

B♭6 → E♭ → F → B♭6

The classic I–IV–V–I motion with this chord as home.

In a ii–V–I

Cm7 → F7 → B♭6

The strongest cadence in harmony, resolving onto this chord.

Put B♭6 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 →
Major 6th in every key
C6 C♯6 D6 E♭6 E6 F6 F♯6 G6 A♭6 A6 B6