Gb 13th chord
Gb13 chord for piano presented by keyboard diagrams.
Explanation: The G flat thirteenth is a seven-note chord. Due to practical circumstances, some notes (as a suggestion fifth, ninth, and eleventh) are omitted and the chord is played inverted. The chord is sometimes played with both hands. The chord is often abbreviated as Gb13.
Omissions: Gb13(no3): Gb - Db - E - Ab - B - Eb; Gb13(no5): Gb - Bb - E - Ab - B - Eb.
Theory: The Gb thirteenth chord is constructed by adding a third to an eleventh chord.
Gb13
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Notes: Gb - Bb - Db - E - Ab - B - Eb / Gb - Bb - Db - E - Ab - Cb - Fbb
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One of many possible inversions (with the 5th and the 11th omitted)
Gb13 inverted
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One of many possible inversions (with the 5th and the 11th omitted)