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How to Play A9 on Guitar
Every voicing of A9, with audio and finger positions.
Open Chord LibraryA9 (A 9th) is built from the intervals of a 9th chord with root A. Below are the most useful voicings on guitar, from beginner-friendly open position to barre and jazz voicings up the neck.
Notes in A9
A9 contains the notes that make up a 9th chord built on A. Every voicing uses these notes in different octaves and positions on the fretboard.
Common voicings
Open position (if available), barre chord forms, and compact triad voicings give you the A9 sound in every register. Tap any diagram in the tool to hear it.
Songs that use A9
A9 appears across every genre. The chord library shows commonly-paired chords and the progressions that feature A9 prominently.
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