The Gb Dominant Ninth Flat five chord is made up of the Root, Major Third, diminished Fifth, Minor Seventh, and Major Ninth
You may find this chord denoted as:
- Gb Dominant Ninth Flat Five
- Gb 9-5
- Gb 9(b5)
- Gb Dom9b5
The notes in the Gb9b5 chord are Gb, Bb, Dbb, Fb, and Ab
Notes that compose the Gb 9b5 chord:
Formula of the Dominant Ninth Flat five chord:
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This fretboard map shows you the tones in the chord all along the neck. You can play this chord by choosing some of the chord tones.