B Dominant 13th Sharp 9
B13#9 · Piano chord
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B – D# – F# – A – C𝄪 – G#
1 – 3 – 5 – b7 – #9 – 13
This dominant thirteenth combines a sharp ninth with the natural thirteenth.
The B13#9 chord sounds distinctive, with a dominant 13th sharp 9 character. Its notes are B, D#, F#, A, C##, G#.