A# 9 Suspended 4th Guitar Chord
Voicing Positions (6)
Interval Colors
In shape.music, every interval has a unique color. The colors follow the function of each note relative to the root — so they change when you switch chords.
A# 9 Suspended 4th Chord
The A# 9 Suspended 4th chord is built from the intervals: Root, Major 2nd, Perfect 4th, Perfect 5th, and Minor 7th. It contains the notes A#, C, D#, F, and G#. As an extended chord, it adds color and depth beyond the basic triad.
What A# 9 Suspended 4th Is
The A# 9 Suspended 4th is a suspended second chord — the third is replaced by the major second above the root. This produces a quietly unresolved character: the chord refuses to commit to major or minor, and naturally pulls toward a resolution where the second drops to the third. Sus2 voicings sound bright and modern, common in folk and singer-songwriter material.
How A# 9 Suspended 4th Sounds
The suspended quality gives A# 9 Suspended 4th a sense of motion. It can either resolve directly into the parent major or minor chord, or be left hanging as a colour chord. In acoustic guitar arrangements, sus chords are often used to add melodic interest to a static harmony — strumming through A# major, A# sus4, A# major creates the classic folk-rock sound of an embellished tonic.
How To Use A# 9 Suspended 4th In A Progression
Suspended chords almost always either resolve to or come from the parent major chord. They are most common as embellishments on the I, IV, and V chords of a key, adding melodic interest without changing the underlying harmony.
Playing A# 9 Suspended 4th On Guitar
On guitar, the voicings shown above represent practical fingerings across different positions of the neck. Open and low-fret voicings tend to sound fullest because of the ringing open strings; higher voicings give a tighter, more focused sound. Try each voicing in context — the right one is whichever sits best under your melody.
Related Chords
Same quality (9 Suspended 4th)
See the music. Every interval has a color.
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