A#7+9 (A#7#9) altered chord
Altered A# chord for piano presented by keyboard diagrams.
Explanation: The A#7+9 alter the A#9 by the change of one note. The chord name can also be written as A#7#9 or A#7(#9).
Theory: The A#7+9 are identical with the A#9 except that the major ninth is sharpenedThe tone is one half step higher.
A#7+9
Notes: A# - D - F - G# - C# / A# - D - E# - G# - C#
A7+9 chord ‹ Previous • Next › B7+9 chord
See also A#7-9 chord ›