F#add9: guitar chord voicings, inversions, scales and arpeggios

F#add9 (add9) is an interactive GuitarArcanum page with chord formula, intervals, voicings, inversions, triads, pentatonic patterns, scales and arpeggios on the fretboard.

Chord formula

Interval formula: 1 3 5 9. A major triad with the 9th added and no 7th — a fresh, ringing chord: a decorated major, not a jazz one.

Chord tones

The triad holds the foundation while the 9th rings on top. With no 7th there's no jazz weight — the sound stays simple and open.

Sound character

Ringing and fresh — the classic open-string pop and rock sound.

Harmonic function

Tonic color. The same major, just dressed up; it doesn't change the function.

Typical progressions

  • F#add9 – C# – G# – A#m
  • G#add9 – D# – Fm – C#
  • F#add9 – Badd9

Guitar voicing advice

On guitar it's often an open chord with one added string, e.g. Cadd9 = x32033. Let the 9th ring on an open string.

Compatible scales for F#add9

Other chord qualities on the F# root

Compare this chord with other qualities sharing the same root.