Chord · Mandolin
B 9 Chord · Mandolin
Fretboard map · Mandolin
Find every available note across the first 12 frets.
Notes
B · D♯ · F♯ · A · C♯
Root: B
Intervals
1 · 3 · 5 · ♭7 · 9
How it is built
This chord starts on B and applies the intervals 1, 3, 5, ♭7, 9. The result contains 5 distinct pitch classes per octave.
Explore related combinations
Guide and musical context
About B 9 Mandolin Chord
B 9 Mandolin chord contains B, D♯, F♯, A, C♯. Its sound is rich and tense, extending the dominant with a ninth.
Character and sound
Rich and tense, extending the dominant with a ninth.
Musical context and history
The dominant ninth extends a 7 chord while keeping its dominant tension. It is classic vocabulary in jazz, blues, funk, soul and R&B.
How and where it is used
It may resolve as a dominant or act as a stable vamp in groove-based styles.
On mandolin, fifths tuning encourages symmetric movable patterns. Unison string courses reinforce the attack, and the map helps locate the same note in different fretboard registers. Everything you see and hear on this page comes from the same note set shown above.
Harmonic and musical relationships
As a dominant sonority on B, a common functional resolution moves toward E. Alterations and extensions change the color while preserving that tension-and-resolution reference.
The formula on this page is 1 · 3 · 5 · ♭7 · 9 and, from B, produces the notes B · D♯ · F♯ · A · C♯.
Frequently asked questions
What notes are in the B 9 Mandolin chord?
The notes are B, D♯, F♯, A, C♯.
What is its interval formula?
The formula is 1 · 3 · 5 · ♭7 · 9.
How does it sound and what is it used for?
Rich and tense, extending the dominant with a ninth. It may resolve as a dominant or act as a stable vamp in groove-based styles.
How can I check it on Mandolin?
Use the interactive diagram on this page and press Play or Note by note. The highlighted positions, written notes and playback all use the same pitch collection.