Gb major 9th chord
Gbmaj9 chord for piano with keyboard diagram.
Explanation: The Gb major ninth is a five-note chord and can be regarded as a Gbmaj7 with an added ninth. It is often abbreviated as Gbmaj9 (not to be confused with Gb9).
Omissions: Gbmaj9(no3): Gb - Db - F - Ab; Gbmaj9(no5): Gb - Bb - F - Ab.
Theory: The Gbmaj9 chord is constructed with a root, a major third, a perfect fifth, a major seventh and a major ninth.
Notes: Gb - Bb - Db - F - Ab / Gb - Bb - Db - F - Ab