E major ninth chord
Emaj9 chord for piano with keyboard diagram.
Explanation: The E major ninth is a five note chord and can be regarded as a Emaj7 with an added ninth. It is often abbreviated as Emaj9 (should not be confused with E9).
Theory: The Emaj9 chord is constructed with a root, a major third, a perfect fifth, a major seventh and a major ninth.
Notes: E - G# - B - D# - F#