Guitar arpeggio
F# Dominant 7 Sharp 9 Guitar Arpeggio
F# Dominant 7 Sharp 9 is a five-note arpeggio built from F#, A#, C#, E, and G##. It is also commonly called F# Dominant Seven Sharp Nine and F# 7 Sharp 9. Use it to study chord tones, interval formulas, and guitar fretboard positions.
- Chord tones
- F#, A#, C#, E, G##
- Formula
- 1 3 5 b7 #9
- Semitones
- 0 4 7 10 15
- Chord symbols
- F#7#9
- Also called
- F# Dominant Seven Sharp NineF# 7 Sharp 9
How to read this arpeggio
The chord tones are shown as pitch classes first. In the fretboard tool, square markers represent F# root notes, while circular markers represent the remaining tones in the arpeggio.
Use the interactive fretboard to locate the F# root notes and connect the remaining dominant 7 sharp 9 chord tones across standard tuning.
This same arpeggio shape is also commonly called F# Dominant Seven Sharp Nine or F# 7 Sharp 9.
Chord construction and defining tones
F# dominant 7 sharp 9 is defined by 3 (A#), b7 (E), and #9 (G##). The chord retains its major third and flat seventh while the sharp ninth adds an altered upper tension.
Harmonic use
Use this arpeggio over F#7#9, altered dominant harmony, and dominant sounds that deliberately combine the major third with the sharp ninth.
Practice this arpeggio on guitar
- Play the F# Dominant 7 Sharp 9 arpeggio from one F# root to the next in at least two fretboard positions, saying each note name and interval degree aloud.
- Play 3 (A#), b7 (E), and #9 (G##) in small groups and keep the major third and sharp ninth in separate octaves so both colors remain clear.
- Emphasize the sharp ninth over F#7#9, then resolve it by semitone when the harmony changes.
Fretboard diagram
Open this arpeggio in the fretboard tool
Start with F# Dominant 7 Sharp 9 loaded, then adjust tuning, labels, colors, fret count, and orientation.
Open in interactive fretboard