Chord · F# 6/9
F♯6/9 Chord
F♯6/9 is F#, A#, C#, D# and G# — lush, neutral substitute for major triads.
F♯6/9 on every instrument
The same 5 notes, 2 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.
What F♯6/9 is made of
F# 6/9 (F# 6/9) is built from the notes F#, A#, C#, D#, G#, with the interval pattern 1, 3, 5, 6, 9. A common 6/9 chord across many styles.
Stack 1, 3, 5, 6 and 9 on a root of F♯ and you get F#, A#, C#, D# and G#. That interval recipe is what makes the chord a six nine chord — move the same shape to another root and the character travels with it, which is why C6/9 sounds like a transposed F♯6/9.
6/9: Lush, neutral substitute for major triads.
Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with F♯ rather than its enharmonic equivalent.
Keys that contain F♯6/9
All 5 notes sit inside the scale of 12 keys. The roman numeral marks the degree the chord is rooted on.
Major keys
Other chords on F♯
Same root, different colour.
Questions people ask about F#6/9
- What notes are in the F#6/9 chord?
- F#6/9 is made of F#, A#, C#, D# and G# — the 1, 3, 5, 6 and 9 degrees of a six nine chord built on F#.
- What keys use the F#6/9 chord?
- Every note of F#6/9 belongs to 12 keys: B Major (V), Db Major (IV), F# Major (I), Gb Major (I), C# Major (IV), Cb Major (V), Bb Minor (VI), G# Minor (VII), D# Minor (III), Eb Minor (III), A# Minor (VI), Ab Minor (VII). The roman numeral is the scale degree the chord is rooted on.
- How do you play F#6/9 on guitar and piano?
- This page shows F#6/9 on guitar and piano — 5 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
- Is F#6/9 the same as Gb6/9?
- Yes. F#6/9 and Gb6/9 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; F#6/9 is the spelling this site treats as canonical.
Learn the theory behind it
Why F♯6/9 behaves the way it does — the guides that explain the chord instead of just spelling it.