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Theory · diatonic scale

B flat minor scale

The B flat minor scale contains the seven notes Bb, C, Db, Eb, F, Gb, Ab. Its key signature has 5 flats. Its relative major is D flat major. The chord book holds 22 songs in B flat minor.
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The notes of the B flat minor scale

The B flat minor scale (also written A sharp minor) follows the whole, half, whole, whole, half, whole, whole pattern from its tonic. Its seven degrees, tonic highlighted: This is the natural minor form.

BbiCii°DbIIIEbivFvGbVIAbVII

The chords of the scale

Harmonising each degree of B flat minor gives the chords that sound right together. This is the toolbox for an accompaniment in this key.

DegreeChordFunction
iBbmTonic
ii°Supertonic
IIIDbMediant
ivEbmSubdominant
vFmDominant
VIGbSubmediant
VIIAbSubtonic

Key signature

The key of B flat minor has 5 flats. Its relative shares exactly the same signature.

Going further

Two guides to go back over the basics: what a scale is, and how to read a key signature.

Neighbouring keys

On the circle of fifths, B flat minor shares most of its chords with its direct neighbours. The relative has exactly the same signature; the dominant and the subdominant differ by a single accidental.

Other keys

The interactive keyboard in the app

Hear the scale and its chords on the Music Hub playable keyboard, and spot them in your songs. Free, no account required.

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Frequently asked questions

What are the notes of the B flat minor scale?

The B flat minor scale is made of seven notes: Bb, C, Db, Eb, F, Gb, Ab.

Which chords go with B flat minor?

The diatonic chords of B flat minor are: Bbm (i), C° (ii°), Db (III), Ebm (iv), Fm (v), Gb (VI), Ab (VII). The three pillars of an accompaniment are Bbm (i), Ebm (iv), Fm (v).

What is the relative of B flat minor?

The relative major of B flat minor is D flat major: it shares the same key signature (5 flats) and the same notes, only the resting note changes.

How many accidentals are in the key of B flat minor?

The key signature of B flat minor has 5 flats. You build the scale from the tonic following the whole, half, whole, whole, half, whole, whole pattern.