D 7♯5 - PIANO

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Chord composition

I III ♯V ♭VII
Root Major third Augmented fifth Minor seventh
D F# A# C

ALL ABOUT THE D 7♯5 CHORD

Chord Composition

The D 7♯5 chord is composed of 4 notes :

  • D (Root)
  • F# (Major third)
  • A# (Augmented fifth)
  • C (Minor seventh)

These notes form a seventh chord with augmented fifth, creating ascending tension.

How to play D 7♯5 on piano

The 7#5 chord D 7♯5 combines the dominant seventh with an augmented fifth (#5).

  • Ascending tension: the augmented fifth creates a sense of elevation
  • Jazz and blues: sophisticated color for dominants
  • Chromatic movement: the #5 often rises to the sixth of next chord
  • Mysterious sound: more exotic than diminished fifth

Unlike 7b5, the 7#5 has an ascending quality that can evoke whole-tone or augmented colors.

Common uses of D 7♯5

The 7#5 chord brings unique color:

  • Sophisticated blues: enriches blues cadences
  • Modern jazz: altered dominant with ascending color
  • Bossa nova: adds exotic colors

Styles

Jazz blues: enriches blues vocabulary.

Bebop: colorful dominant substitution.

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