Db

Dbadd9

Notes

Db · F · Ab · Eb

Intervals

  • RootDb (1P)
  • Major 3rdF (3M)
  • Perfect 5thAb (5P)
  • Major 9thEb (9M)

Fretboard

EBGDAE357912FAbDbEbDbEbFAbAbDbEbFEbFAbDbDbEbFAbFAbDbEb

About

The D♭add9 (D♭–F–A♭–E♭) adds a ninth to a major triad without including a 7th. The distinction matters: because there is no 7th, the chord stays harmonically stable and resolved rather than suggesting dominant or subdominant motion. The E♭ adds brightness and shimmer; the F retains the major identity. On guitar, open-string voicings make add9 sounds particularly resonant. The 5th can be omitted without loss; the 3rd and 9th are both essential. Compared to D♭Maj9, add9 is simpler and more grounded — a major triad with a single added color. Compared to plain D♭, the 9th adds a touch of modern shimmer.

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