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Theory · diatonic scale

D flat major scale

The D flat major scale contains the seven notes Db, Eb, F, Gb, Ab, Bb, C. Its key signature has 5 flats. Its relative minor is B flat minor. The chord book holds 31 songs in D flat major.
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The notes of the D flat major scale

The D flat major scale (also written C sharp major) follows the whole, whole, half, whole, whole, whole, half pattern from its tonic. Its seven degrees, tonic highlighted:

DbIEbiiFiiiGbIVAbVBbviCvii°

The chords of the scale

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

DegreeChordFunction
IDbTonic
iiEbmSupertonic
iiiFmMediant
IVGbSubdominant
VAbDominant
viBbmSubmediant
vii°Leading tone

Key signature

The key of D flat major 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, D flat major 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 D flat major scale?

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

Which chords go with D flat major?

The diatonic chords of D flat major are: Db (I), Ebm (ii), Fm (iii), Gb (IV), Ab (V), Bbm (vi), C° (vii°). The three pillars of an accompaniment are Db (I), Gb (IV), Ab (V).

What is the relative of D flat major?

The relative minor of D flat major is B flat minor: 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 D flat major?

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