F♯13
F# Dominant 13th — the tallest dominant — the thirteenth on top gives the resolution a wide, singing edge.
The keys
F♯ – A♯ – C♯ – E – G♯ – D♯
What's inside F♯13
| Note | Interval from root | Degree |
|---|---|---|
| F♯ | Root | 1 |
| A♯ | Major 3rd | 3 |
| C♯ | Perfect 5th | 5 |
| E | Minor 7th | b7 |
| G♯ | Major 9th | 9 |
| D♯ | Major 13th | 13 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | G♭2 – E3 |
| Right (colour) | B♭4 – A♭5 – E♭6 |
Where F♯13 lives
As the I chord
F♯13 → B → D♭ → F♯13
The classic I–IV–V–I motion with this chord as home.
In a ii–V–I
A♭m7 → D♭7 → F♯13
The strongest cadence in harmony, resolving onto this chord.
Put F♯13 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →