D-flat minor
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D-flat minor is a musical key based on D♭, consisting of the pitches D♭, E♭, F♭, G♭, A♭, Bdouble flat, and C♭. Because its key signature has eight flats, requiring one double flat and six single flats, the enharmonically equivalent key of C-sharp minor is normally used instead. Its relative major is F-flat major, which is usually replaced by E major. Its parallel major is D-flat major.
The D-flat natural minor scale is:
Changes needed for the melodic and harmonic versions of the scale are written in with accidentals as necessary. The D-flat harmonic minor and melodic minor scales are:
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D-flat minor is usually notated as the enharmonic key of C-sharp minor, as in the second and third measures of Amy Beach's Canticle of the Sun.[1] However, unusually, two of Verdi's most well-known operas, La traviata and Rigoletto, both end in D-flat minor (although written with the five-flat key signature of the parallel major). Mahler's thematic motif "der kleine Appell" ("call to order") from his Fourth and Fifth Symphonies uses both notations: 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.[2][3][4][5]
D-flat minor is shown in Max Reger's theory text On the Theory of Modulation.[6]
Scale degree chords
The scale-degree chords of D-flat minor are:
- Tonic – D-flat minor
- Supertonic – E-flat diminished
- Mediant – F-flat major
- Subdominant – G-flat minor
- Dominant – A-flat minor
- Submediant – B-double-flat major
- Subtonic – C-flat major
See also
References
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