D-flat minor

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D♭ minor

Relative key	F♭ major
Parallel key	D♭ major
Component pitches
D♭, E♭, F♭, G♭, A♭, B, C♭, D♭

D-flat minor is a minor scale based on the musical note D-flat, consisting of the pitches D♭, E♭, F♭, G♭, A♭, B, C♭. Its key signature has seven flats and one double flat.^[1]

For clarity and simplicitly, D-flat minor is usually notated as its enharmonic equivalent of C-sharp minor, as it is, for example, in the second and third measures of Amy Beach's Canticle of the Sun, which are tonally D-flat minor but notated as C-sharp minor. Mahler's thematic motif "der kleine Appell" ("call to order") from his Fourth and Fifth Symphonies is similarly notated. In his Symphony No. 4 (first movement) it is in D-flat minor, but in his Symphony No. 5 it is in C-sharp minor. In the Adagio of his Symphony No. 9 a solo bassoon interpolation following the main theme appears first in D-flat minor, returning twice more notated in C-sharp minor. Likewise, in the Adagio of Bruckner's Symphony No. 8, phrases that are tonally in D-flat minor are notated as C-sharp minor.