Gb major 13th chord
Gbmaj13 chord for piano with keyboard diagram.
Explanation: The G flat major thirteenth is a six-note chord (the 11th, B in the case of Gbmaj13, is normally excluded). For practical reasons the chord is normally played with omitted notes and/or inverted. It is often abbreviated as Gbmaj13 (not to be confused with Gb13).
Omissions: Gbmaj13(no5): Gb - Bb - F - Ab - Eb, Gbmaj13(no9): Gb - Bb - Db - F - Eb.
Theory: The Gb major thirteenth chord is constructed by extending the major eleventh chord with a major thirteenth note.
Gbmaj13
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Notes: Gb - Bb - Db - F - Ab - Eb
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Gbmaj13 inversions and voicings
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Notes: Gb - F - Bb - Eb
Two-hand voicing