D♭ (musical note)

D♭ (also called a re bémol) is the first note of the D♭ major scale.

Designation by octave

Scientific designation Helmholtz designation Octave name Frequency (Hz)
D♭−1D♭͵͵͵ or ͵͵͵D♭ or DDDD♭Subsubcontra8.662
D♭0D♭͵͵ or ͵͵D♭ or DDD♭Subcontra17.324
D♭1D♭͵ or ͵D♭ or DD♭Contra34.648
D♭2D♭Great69.296
D♭3d♭Small138.591
D♭4d♭′One-lined277.183
D♭5d♭′′Two-lined554.365
D♭6d♭′′′Three-lined1108.731
D♭7d♭′′′′Four-lined2217.461
D♭8d♭′′′′′Five-lined4434.922
D♭9d♭′′′′′′Six-lined8869.844
D♭10d♭′′′′′′′Seven-lined17739.688

Common scales beginning on D♭

  • D♭ Major: D♭ E♭ F G♭ A♭ B♭ C D♭
  • D♭ Natural Minor: D♭ E♭ F♭ G♭ A♭ Bdouble flat C♭ D♭
  • D♭ Harmonic Minor: D♭ E♭ F♭ G♭ A♭ Bdouble flat C D♭
  • D♭ Melodic Minor Ascending: D♭ E♭ F♭ G♭ A♭ B♭ C D♭
  • D♭ Melodic Minor Descending: D♭ C♭ Bdouble flat A♭ G♭ F♭ E♭ D♭
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