A#7-9 (A#7b9) 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#7b9 or A#7(b9).
Theory: The A#7-9 are identical with the A#9 except that the major ninth is flattenedThe tone is one half step lower.
A#7-9

Notes: A# - D - F - G# - B / A# - C## - E# - G# - B
A7-9 chord ‹ Previous • Next › B7-9 chord
See also A#7+9 chord ›