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D augmented seventh chord

The D7♯5 chord (augmented seventh) is made of the notes D, F♯, A♯, C. Its formula compared with the major scale is 1 3 ♯5 ♭7.

D7♯5

Sevenths · 4 notes

Note names

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How it is built

DegreeNoteInterval from the root
1DUnison
3F♯Major third
♯5A♯Augmented fifth
♭7CMinor seventh

Inversions

  • D7♯5D F♯ A♯ CRoot position
  • D7♯5/F♯F♯ A♯ C DFirst inversion
  • D7♯5/A♯A♯ C D F♯Second inversion
  • D7♯5/CC D F♯ A♯Third inversion

Frequently asked questions

Which notes make up the D7♯5 chord?
The notes are D, F♯, A♯, C.
What is the formula of the D7♯5 chord?
The formula is 1 3 ♯5 ♭7: major third, augmented fifth, minor seventh.

Texts and tools by , professional musician and developer. Last updated: October 8, 2026.

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