B9sus4
B9sus4
Notes
B · E · F♯ · A · C♯
Intervals
- RootB (1P)
- Perfect 4thE (4P)
- Perfect 5thF♯ (5P)
- Minor 7thA (7m)
- Major 9thC♯ (9M)
Fretboard
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About
The B9sus4 (B–E–F♯–A–C♯) extends 7sus4 with a 9th. The C♯ adds color above the suspended structure, and the absence of the third means the chord can function either as deferred dominant tension or as a stable texture in its own right — the latter is common in gospel and R&B, where 9sus4 chords are often held for extended periods without resolving. The 4th, ♭7, and 9th are the essential tones; the 5th can be dropped. Compared to B7sus4, the 9th adds warmth and sophistication without increasing the sense of urgency. When it does resolve, E is the typical landing.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- B Dorian (I)
- B Mixolydian (I)
- B Natural Minor (I)
- A Lydian (II)
- A Major (II)
- A Major Pentatonic (deg 2)
- A Mixolydian (II)
- A♭ Locrian (III)
- A♭ Phrygian (III)
- D Lydian (VI)
- D Major (VI)
- D♭ Locrian (VII)
- D♭ Natural Minor (VII)
- D♭ Phrygian (VII)
- E Dorian (V)
- E Major (V)
- E Melodic Minor (V)
- E Mixolydian (V)
- E♭ Locrian (VI)
- F♯ Blues (deg 3)
- F♯ Dorian (IV)
- F♯ Minor Pentatonic (deg 3)
- F♯ Natural Minor (IV)
- F♯ Phrygian (IV)
- G Lydian (III)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.