B Dominant 9th Sharp 5
B9#5 · Piano chord
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B – D# – F𝄪 – A – C#
1 – 3 – #5 – b7 – 9
The raised fifth adds a bright, unsettled color to the dominant ninth. The whole-tone scale fits its sound; this chord commonly resolves to the tonic.
The B9#5 chord sounds distinctive, with a dominant 9th sharp 5 character. Its notes are B, D#, F##, A, C#.