Db major 9th chord
Dbmaj9 chord for piano with keyboard diagram.
Explanation: The Db major ninth is a five-note chord and can be regarded as a Dbmaj7 with an added ninth. It is often abbreviated as Dbmaj9 (not to be confused with Db9).
Theory: The Dbmaj9 chord is constructed with a root, a major third, a perfect fifth, a major seventh and a major ninth.
Notes: Db - F - Ab - C - Eb