B major seventh (B7M) chord on cavaquinho
- Notes
- BD♯F♯A♯
- Formula
- 1357
How to play B7M on cavaquinho
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Shape 1 · 1st position
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Shape 2 · fret 7
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Shape 3 · fret 4 · barre
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Shape 4 · 1st position
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Shape 5 · fret 7
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Shape 6 · fret 4 · barre
Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. x = do not play the string, o = open string. The coloured dot is the root (B).
B7M inversions on cavaquinho
On the cavaquinho a seventh chord fits whole on the 4 strings, one note on each, and that is how it accompanies in choro. Below are the positions with the root, the 3rd, the 5th and the 7th on the lowest string (in sixth chords the 6th does not go to the bass: that would rename the chord), whenever the position fits the hand.
Root (B) in the bassroot position · B7M
3rd (D♯) in the bass1st inversion · B7M/D#
5th (F♯) in the bass2nd inversion · B7M/F#
5th (F♯) in the bass2nd inversion · B7M/F#
7th (A♯) in the bass3rd inversion · B7M/A#
7th (A♯) in the bass3rd inversion · B7M/A#
About the major seventh chord
A major chord with a major seventh: smooth, sophisticated and a little nostalgic. It is the signature sound of bossa nova, jazz and soft pop, and it appears in ballads to "mellow out" the I and IV chords.
Notes and intervals of B7M
B7M (B major seventh) is built from 4 notes. Each one fills a degree of the chord:
- B · 1 · root
- D♯ · 3 · major third
- F♯ · 5 · perfect fifth
- A♯ · 7 · major seventh
Other B chords
Major seventh: other roots
Frequently asked questions
How do you play the B7M chord on cavaquinho?
B7M (B major seventh) has 6 fingerings on this page, from easiest to hardest. Each diagram shows the fingers, the open strings (o) and the strings you do not play (x), and you can hear every shape.
What notes are in B7M?
The notes of B7M are B, D♯, F♯, A♯. The formula is 1 · 3 · 5 · 7: root, major third, perfect fifth, major seventh.
What does B7M mean?
B7M is the chord symbol for B major seventh. A major chord with a major seventh: smooth, sophisticated and a little nostalgic. It is the signature sound of bossa nova, jazz and soft pop, and it appears in ballads to "mellow out" the I and IV chords.
Can I play B7M on other instruments?
Yes. B7M also has a page on guitar, on ukulele, with the fingerings for each instrument.