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).
Theory: The Gb major thirteenth chord is constructed by extending the major eleventh chord with a major thirteenth note.

Gbmaj13

Gbmaj13 piano chord diagram
Notes: Gb - Bb - Db - F - Ab - Eb

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Gbmaj13 inversions and voicings

Gbmaj13 chord voicing diagram
Notes: Gb - F - Bb - Eb
Two-hand voicing

Gb chord categories

Gb Gbm Gb7 Gbm7 Gbmaj7 GbmM7 Gb6 Gbm6 Gb6/9 Gb5 Gb9 Gbm9 Gbmaj9 Gb11 Gbm11 Gb13 Gbm13 Gbmaj13 Gbadd Gb7-5 Gb7+5 Gbsus Gbdim Gbdim7 Gbm7b5 Gbaug Gbaug7