A# Minor 9th Guitar Chord
All positions and voicings on the fretboard
No playable voicings found for this chord. Try a different chord type or root note.
A# Minor 9th filtered by fret:
A# Minor 9th — chord details
The A# Minor 9th chord is made up of the following notes: A#, C#, E#, G#, B#.
Intervals: 1P, 3m, 5P, 7m, 9M.
The diagrams above show every voicing and chord variation for A# Minor 9th on guitar. Use the fret filter to narrow down voicings within a specific fret range — ideal for finding close-proximity chords when composing or arranging.
Note: A# is enharmonically equivalent to Bb. Chord shapes are the same.
A# minor ninth builds upon the minor seventh by adding the ninth degree, yielding A#, C#, E#, G#, B# with intervals 1P, 3m, 5P, 7m, 9M. This extension brings an airy, open quality to the minor sound, softening its darkness with a touch of brightness. Minor ninths are essential in jazz, lo-fi hip hop, and R&B, where their smooth texture creates laid-back, atmospheric harmonic beds.
How to Play A# Minor 9th
On guitar, A# m9 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# Minor 9th in Progressions
A# m9 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
A#m7, A#m11, or C#maj7 substitute cleanly in most contexts.
Difficulty: On guitar, this chord typically requires a barre — intermediate difficulty, but essential for playing in sharp keys.