A Major 9th Guitar Chord — Drop B

Guitar chord voicings in Drop B tuning (B-F#-B-E-G#-C#)

A Major 9th Voicings in Drop B

BF#BEG#C#21
BF#BEG#C#231
5frBF#BEG#C#111112
7frBF#BEG#C#111342
9frBF#BEG#C#1123x4
9frBF#BEG#C#1123x4

A Major 9th filtered by fret:

Move the sliders to select the first and last frets to display
BF#BEG#C#21
BF#BEG#C#231
5frBF#BEG#C#111112
7frBF#BEG#C#111342
9frBF#BEG#C#1123x4
9frBF#BEG#C#1123x4

A Major 9th in Drop B Tuning — Guide

The A Major 9th chord is made up of the following notes: A, C#, E, G#, B.

Intervals: 1P, 3M, 5P, 7M, 9M.

The A Major 9th chord in Drop B tuning (B-F#-B-E-G#-C#) requires different fingerings than standard tuning.

The A major ninth extends the major seventh chord by adding the ninth, creating a five-note voicing with A, C#, E, G#, B (intervals 1P, 3M, 5P, 7M, 9M). The added ninth introduces extra color and spaciousness, resulting in a chord that sounds lush, modern, and impressionistic. Major ninths are staples in contemporary jazz, neo-soul, and R&B, lending arrangements a refined harmonic complexity.

How to Play A Major 9th

On guitar, A maj9 typically requires a barre or partial barre voicing. Experiment with different positions to find the voicing that best suits your playing context — higher positions sound brighter and tighter, while lower positions offer more bass and resonance. CAGED system shapes help navigate these options efficiently.

A Major 9th in Progressions

A maj9 appears in various harmonic contexts depending on the key. Analyze the surrounding chords to determine its function — it may serve as a primary chord, a substitution, or a chromatic color chord that enriches the harmonic palette of a progression.

Common Substitutions

Amaj7, A6/9, or Aadd9 provide simpler alternatives with similar brightness.

Difficulty: On guitar, this chord is intermediate — a barre or partial barre is likely needed, but the shape is manageable with practice.

Explore A Major 9th Further