Bass · major seventh
B♭maj7 Chord on Bass
Bb Major 7th is Bb, D, F, A — the 1-3-5-7 pattern of a major seventh chord. Here is the shape, the audio, and what usually goes wrong.
There is no open Bbmaj7 on bass. The one shape below sits up the neck and is rated intermediate.
Start here — Root-3-5-7 Shape (6th fret)
Sits at fret 6 — tighter and brighter than the low shapes, and high enough to keep out of the way of anyone playing the open version underneath.
What beginners get wrong
Moving in and out of it
The shape above: Root-3-5-7 Shape (6th fret).
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
Bbmaj7 on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Chords next door
Same root, different colour — and all of them playable on bass.
Bbmaj7 on Bass — questions people ask
What is the easiest way to play Bbmaj7 on bass?
“Root-3-5-7 Shape (6th fret)” — which we rate intermediate — is the easiest Bbmaj7 shape on bass. Sits at fret 6 — tighter and brighter than the low shapes, and high enough to keep out of the way of anyone playing the open version underneath. There is no open Bbmaj7 on bass, so a barre is unavoidable; this is the least demanding one.
What notes are in the Bb Major 7th chord?
Bb Major 7th is Bb, D, F, A — the 1-3-5-7 interval pattern of a major seventh chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of Bbmaj7?
The nearest stand-ins on bass that keep the same root are Bbsus4, Bbsus2, Bb. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play Bbmaj7 on other instruments?
Yes. Bbmaj7 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on guitar, piano, ukulele, mandolin, banjo.
Learn the theory behind Bbmaj7
The shape gets your fingers there. These explain why it sounds the way it does.