F# 6th Added 9th

F#6add9

Notes

F# · A# · C# · D# · G#

Intervals

  • RootF# (1P)
  • Major 3rdA# (3M)
  • Perfect 5thC# (5P)
  • Major 6thD# (6M)
  • Major 9thG# (9M)

Fretboard

EBGDAE357912F#G#A#C#D#C#D#F#G#A#G#A#C#D#F#D#F#G#A#C#A#C#D#F#G#F#G#A#C#D#

About

The F♯6/9 (F♯–A♯–C♯–D♯–G♯) combines the warmth of the 6th with the openness of the 9th, deliberately omitting the 7th. This keeps the chord stable and resolved — unlike extensions that include a 7th, it does not imply harmonic motion. It is a rich tonic color used in jazz, R&B, and gospel as a final or resting chord. Both the D♯ and G♯ are essential to the sound; the 5th can be omitted in compact voicings. On guitar, spread voicings that separate the 6 and 9 allow both extensions to speak clearly without muddiness. Compared to F♯Maj9, the 6/9 is warmer and more grounded; compared to F♯add9, fuller.

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