Notes in F♯maj9
The F♯maj9 chord contains 5 notes: F♯, B♭, C♯, F, A♭
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | F♯ | Root |
| 3 | 4 | B♭ | Major 3rd |
| 5 | 7 | C♯ | Perfect 5th |
| 7 | 11 | F | Major 7th |
| 9 | 2 | A♭ | Major 9th |
About F♯ Major 9th Chords
Major 9th chords combine maj7 with a 9th for a lush, sophisticated sound. They appear frequently in jazz ballads, bossa nova, and contemporary R&B. Steely Dan built entire careers on maj9 voicings.
Compatible Scales & Modes
These scales contain all the notes of F♯maj9 and can be used for soloing, improvising, and writing melodies over this chord.
EXPLORE MODES
Playing F# major ninth on Guitar
The F# major ninth chord, spelled F♯, B♭, C♯, F, A♭, occupies a specific harmonic role that depends on the musical context. In the key of F# major and Gb major enharmonically, this chord can function as a primary harmony or as a passing color depending on where it appears in the progression. Understanding which scale degrees produce F#-rooted chords helps you predict chord progressions and improvise melodies that complement the harmony.
On guitar, F# major ninth voicings benefit from second-fret barre positions derived from open E shapes. The physical shape of this chord on the fretboard determines its tonal character — the same notes arranged in different voicings produce noticeably different sounds due to string gauge, fret position, and overtone content. Experiment with playing F# major ninth in multiple positions to find the voicing that best fits the register and texture of the music you are working on.
F#maj9 extends the major seventh chord with the ninth, producing lush, complex harmony. The combination of major seventh and ninth intervals in F#maj9 creates a spacious, colorful sound frequently used in jazz ballads and R&B chord progressions.
When practicing F# major ninth, use the compatible scales listed above to improvise melodies and riffs. Start by playing the chord, then explore the scale tones one at a time to hear how each note sounds against the harmony. This ear training exercise connects your theoretical knowledge of F#-rooted chords to practical musicianship skills that improve your playing across all genres and styles.