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