A major 11th chord
Amaj11 chord for piano with keyboard diagram.
Explanation: The A major eleventh is a six-note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. It is often abbreviated as Amaj11 or Amaj9(#11). In the latter case, the chord is played with a raised eleventh to avoid dissonance with the 3rd.
Omissions: Amaj11(no5): A - C# - G# - B - D.
Theory: The A major eleventh chord is constructed by extending the major ninth chord with a major eleventh note.
Amaj11
Notes: A - C# - E - G# - B - D
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