Bb7+9 (Bb7#9) altered chord

Altered Bb chord for piano presented by keyboard diagrams.
Explanation: The Bb7+9 alter the B#9 by the change of one note. The chord name can also be written as Bb7#9 or Bb7(#9).
Theory: The Bb7+9 are identical with the Bb9 except that the major ninth is sharpenedThe tone is one half step higher.


Bb7+9 chord diagram
Notes: Bb - D - F - Ab - C#

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See also Bb7-9 chord ›

Bb chord categories

Bb Bbm Bb7 Bbm7 Bbmaj7 BbmM7 Bb6 Bbm6 Bb6/9 Bb5 Bb9 Bbm9 Bbmaj9 Bb11 Bbm11 Bb13 Bbm13 Bbmaj13 Bbadd Bb7-5 Bb7+5 Bbsus Bbdim Bbdim7 Bbm7b5 Bbaug Bbaug7