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Bass chord companion

Ab9 Chord

Learn the Ab9 chord on bass with chord tones, intervals, and interactive fretboard shapes.

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1Ab3C5Ebb7Gb9Bb

Bass chord-tone boxes

Bass lines usually imply this chord with arpeggios and target tones. Start with root-on-E and root-on-A boxes.

Root on E string

Ab9 chord tones around the E-string root.

Ab Dominant 9th Root on E string bass chord tonesAb9 chord tones around the E-string root.EADG345671935b7193

Root on A string

Ab9 chord tones around the A-string root.

Ab Dominant 9th Root on A string bass chord tonesAb9 chord tones around the A-string root.EADG10111213145b71935b71

Full fretboard map

Every Ab9 Chord chord tone across the neck, with roots highlighted for quick orientation.

Interactive
GDAEGbAbBbCEbGbAbBbCEbBbCEbGbAbBbCEbGbAbEbGbAbBbCEbGbAbBbCAbBbCEbGbAbBbCEbGb123456789101112131415161718192021222324

Common progressions using Ab9

Try these progressions to hear the chord in context instead of treating it as an isolated shape.

V to I resolution

Use the dominant sound to pull strongly into a stable major tonic.

  1. V Ab9
  2. /I Db Major

Minor-key dominant pull

The same dominant root can resolve into a minor tonic for a darker cadence.

  1. V Ab9
  2. /i Db Minor

Chord Tones

DegreeIntervalNote
1RAb
33C
55Eb
b7b7Gb
92Bb

Formula

R – 3 – 5 – b7 – 2

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