A# 11th chord
A#11 chord for piano presented by keyboard diagrams.
Explanation: The A sharp eleventh is a six-note chord. To avoid dissonance the third (D) is normally omitted. The chord is also often played inverted. The chord is abbreviated as A#11.
Omissions: A#11(no3): A# - F - G# - C - D#; A#11(no9): A# - D - F - G# - D#.
Theory: The A# eleventh chord is constructed by adding a third to a ninth chord.
A#11
Notes: A# - D - F - G# - C - D# / A# - C## - E# - G# - B# - D#
