Bb13 chord

Bb13 chord for guitar with diagrams, fingerings and notes.

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Description and theory

Bb13 is equivalent to A sharp 13th. Bb13 is usually played as one of two movable shapes depending on the most suitable position on the fretboard, or played in open positions.

Chord structure

The chord consists of seven notes but is played with one or more notes omitted. The notes represent the root, major third, perfect fifth, minor seventh, major ninth, perfect eleventh and major thirteen intervals.

Chord name

Bb13 is an abbreviation for B flat dominant thirteen. A less common abbreviation is Bbdom13.

Notes

The notes that the Bb13 chord consists of are Bb, D, F, Ab, C, Eb and G.

Try it in a chord progression

Fm7 - Bb13 - Ebmaj7

Inversions

1st inversion: Bb13/D (means that D is the bass note).
2nd inversion: Bb13/F (means that F is the bass note).
3rd inversion: Bb13/Ab (means that Ab is the bass note).
4th inversion: Bb13/C (means that C is the bass note).
5th inversion: Bb13/Eb (means that Eb is the bass note).
6th inversion: Bb13/G (means that G is the bass note).

Omissions

Bb13(no3) is a Bb 13th with no third (D).
Bb13(no5) is a Bb 13th with no fifth (F).
Bb13(no9) is a Bb 13th with no ninth (C).


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