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D-flat minor

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(Redirected from D♭ minor) Minor key based on D-flat
D-flat minor
{ \magnifyStaff #3/2 \omit Score.TimeSignature \key des \minor s16 \clef F \key des \minor s^"" }
Alternative notation{ \magnifyStaff #3/2 \omit Score.TimeSignature \set Staff.keyAlterations = #`((6 . ,FLAT)(2 . ,FLAT)(5 . ,FLAT)(1 . ,FLAT)(4 . ,FLAT)(0 . ,FLAT)(3 . ,FLAT)(6 . ,DOUBLE-FLAT)) s^"" }
Relative keyF-flat major (theoretical)
→enharmonic: E major
Parallel keyD-flat major
Dominant keyA-flat minor
SubdominantG-flat minor (theoretical)
→enharmonic: F-sharp minor
EnharmonicC-sharp minor
Component pitches
D♭, E♭, F♭, G♭, A♭, Bdouble flat, C♭

D-flat minor is a theoretical key based on D♭, consisting of the pitches D♭, E♭, F♭, G♭, A♭, Bdouble flat, and C♭. Its key signature has eight flats, requiring one double flat and six single flats. Its relative major is F-flat major, which is usually replaced by E major. Its parallel major is D-flat major. Its direct enharmonic equivalent, C-sharp minor, is normally used.

The D-flat natural minor scale is:

\header { tagline = ##f } scale = \relative c' { \key des \minor \omit Score.TimeSignature des^"Natural minor scale" es fes ges aes beses ces des ces beses aes ges fes es des2 \clef F \key des \minor } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }

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:

\header { tagline = ##f } scale = \relative c' { \key des \minor \omit Score.TimeSignature des^"Harmonic minor scale" es fes ges aes beses c des c beses aes ges fes es des2 } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }
\header { tagline = ##f } scale = \relative c' { \accidentalStyle modern \key des \minor \omit Score.TimeSignature des^"Melodic minor scale" es fes ges aes bes c des ces? beses? aes ges fes es des2 } \score { { << \cadenzaOn \scale \context NoteNames \scale >> } \layout { } \midi { } }

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. 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.

However, D-flat minor is used on Max Reger's On the Theory of Modulation on pp. 42–45, using the key signature.

Scale degree chords

The scale-degree chords of D-flat minor are:

See also

References

  1. Amy Beach & Betty Buchanan (2006). The Canticle of the Sun. A-R Editions, Inc. p. xiii. ISBN 0-89579-583-3.
  2. Ernst Levy (1985). A Theory of Harmony. SUNY Press. p. 62. ISBN 0-87395-993-0.
  3. James L. Zychowicz (2005). "Structural Considerations". Mahler's Fourth Symphony. Oxford University Press. p. 28. ISBN 0-19-816206-5.
  4. Eero Tarasti (1996). "Music history revisited". In Eero Tarasti; Paul Forsell; Richard Littlefield (eds.). Musical Semiotics in Growth. Indiana University Press. pp. 14–15. ISBN 0-253-32949-3.
  5. Theodor W. Adorno (1992). Mahler: A Musical Physiognomy. Translated by Edmund Jephcott. University of Chicago Press. pp. 165–166. ISBN 0-226-00769-3.
  6. Max Reger (1904). Supplement to the Theory of Modulation. Translated by John Bernhoff. Leipzig: C. F. Kahnt Nachfolger. pp. 42–45.
Diatonic scales and keys
Circle of fifths
Circle of fifths
No. Flats Sharps
Major minor Major minor
0 C a C a
1 F d G e
2 B♭ g D b
3 E♭ c A f♯
4 A♭ f E c♯
5 D♭ b♭ B g♯
6 G♭ e♭ F♯ d♯
7 C♭ a♭ C♯ a♯
8 F♭ d♭ G♯ e♯
The table indicates the number of sharps or flats in each scale. Minor scales are written in lower case.
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