Gbadd9 chord
Gb added ninth
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Play Gbadd9 on ukulele at frets 1-1-2-1 in gCEA tuning.
The Gbadd9 chord has the formula 1, 3, 5, 9 with notes Gb, Bb, Db, Ab
The added ninth chord can be built by taking a major chord and adding the 9th of the scale. It serves a similar purpose to the major chord, with the additional extension for color or harmonizing with other instruments.