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How to Read Guitar Chord Diagrams
Learn how to read guitar chord diagrams quickly. Understand dots, numbers, Xs, Os, and finger positions so you can play any chord chart at sight.
B6(add9)/C♯ guitar shapes
Popular fretboard positions with fingering suggestions
Showing 8 of 13 playable shapes
About the chord
B6 add 9 / C♯ (4th inversion)
The B6 add 9 6 add 9 chord blends the major triad with a major sixth G♯ and a ninth C♯, producing a jazzy, sophisticated sound. Its smooth, feel-good harmony is popular in jazz, funk, and pop, adding a playful, nostalgic color to progressions. With C♯ in the bass, this voicing functions as the 4th inversion of B6 add 9.
Root note: B
Bass note: C♯
Chord tones: 5
Playable shapes: 13
Chord tones
BD♯F♯G♯C♯
Notes & Intervals
Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
B Unison (Root) 1
The root anchors the chord and defines its tonal center.
D♯ Major Third 3
This note defines the chord's major quality and brings brightness to the sound.
F♯ Perfect Fifth 5
The fifth reinforces stability and gives the chord its strong harmonic frame.
G♯ Major Sixth 6
The sixth adds warmth and a slightly more relaxed extended color.
C♯ Major Ninth 9
The ninth opens the chord up and adds a modern, spacious color.
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