Bb9(#11) chord
Bb9(#11) chord for piano presented by keyboard diagrams.
Explanation: The Bb9(#11) alter the Bb9 by adding one note. The chord name can also be written as Bb9+11 or Bb9#11. Bb9(#11) can also be seen as a Bb9(b5) chord.
Theory: The Bb9(#11) are identical with the Bb9 except that a sharpenedThe tone is one half step higher eleventh is added (E).
Bb9(#11)
Notes: Bb - D - F - Ab - C - E
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See also Bb7(#9) chord ›