B♭maj7 / A♯maj7 Chord on Guitar

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B♭maj7 (also written A♯maj7) is a major seventh chord made of 4 notes: B♭, D, F, A. It sounds dreamy, warm and a little wistful, and you hear it in ballads, bossa nova, neo-soul and lo-fi. It is the I chord of B♭ major and turns up in 3 other keys.

The library above opens on B♭maj7 with 14 shapes up and down the neck, starting with hand-checked ones. Tap a shape to hear it, or play it one string at a time.

Notes in B♭maj7

NoteDegreeInterval from B♭Semitones
B♭1root0
D3major third4
F5perfect fifth7
A7major seventh11

Formula: 1 – 3 – 5 – 7. On guitar the 5th is often left out of the bigger shapes without changing the chord. With the other spelling, A♯maj7 is A♯, C𝄪, E♯, G𝄪: the same sounds under different names.

How to play B♭maj7

1324
A-shape barre at fret 1Hardx13231
6fr1342
Fret 6Medium6x776x
123
Open positionBeginnerx1023x
3fr123
Fret 3Beginnerxxx335
5fr213
Fret 5Beginner657xxx
8fr1234
Fret 8Easyxx8(10)(10)(10)

Fret 6 (root on the 6th string), step by step

  1. 1st finger (index): 6th string, 6th fret (B♭, the root).
  2. 2nd finger (middle): 2nd string, 6th fret (F, the fifth).
  3. 3rd finger (ring): 3rd string, 7th fret (D, the major third).
  4. Let the 5th string, 4th string ring open (A, D).
  5. Strum from the 6th string, and keep the 1st string quiet (touch the muted string lightly with the finger next to it).

Tips

The fret 6 shape is the one to learn first. Once it is easy, try the shape at the 6th fret (6x776x): the same chord, higher and brighter, handy when the chords before and after it sit up the neck.

Keys and progressions with B♭maj7

B♭maj7 belongs to 4 keys: IV in F major, I in B♭ major, VI in D minor, III in G minor. In B♭ major, try I–V–vi–IV: B♭maj7 – F – Gm – E♭.

Common questions

What notes are in B♭maj7?

B♭, D, F, A: the root, major third, fifth, major seventh.

What is the easiest way to play B♭maj7?

Fret 6: 60076x (low string first), rated Beginner.

What is the difference between B♭maj7 and B♭7?

B♭maj7 has A where B♭7 has A♭. B♭maj7 sounds dreamy, warm and a little wistful; B♭7 sounds restless; it wants to move on, usually to the chord a fifth below.

Is B♭maj7 a hard chord?

No. The easiest shape is rated Beginner and needs 3 fingers.

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