whatGb13#9
Root Position
Gb Bb Db E A Eb
Similar chords
Gb13#9#11
Gb Bb Db E A C Eb
Gb7#9b13
Gb Bb Db E A D
Gbmaj7#9#11
Gb Bb Db F A C
Gb7#9#11
Gb Bb Db E A C
Gb Major Thirteenth
Gb Bb Db F Ab Eb
GbM7add13
Gb Bb Db Eb F Ab
Gb Dominant Thirteenth
Gb Bb Db E Ab Eb
Gb69#11
Gb Bb Db Eb Ab C
Gb13b9
Gb Bb Db E G Eb
Gb7b9#9
Gb Bb Db E G A