B9 sus chord
B9 sus chord for piano with keyboard diagram.
Explanation: The B9sus4 is a five-note chord (although the fifth is sometimes omitted).
Theory: The B9sus4 is an suspended ninth chord with the third replaced by a perfect four. B9sus4 is the same as B11 without the major third (D#).
Notes: B - E - F# - A - C#