A7+9 (A7#9) altered chord

Altered A chord for piano presented by keyboard diagrams.
Explanation: The A7+9 alter the A9 by the change of one note. The chord name can also be written as A7#9 or A7(#9).
Theory: The A7+9 are identical with the A9 except that the major ninth is sharpenedThe tone is one half step higher.


A7+9 chord diagram
Notes: A - C# - E - G - B#

Ab7+9 chord ‹ Previous • Next › A#7+9 chord

See also A7-9 chord ›

A chord categories

A Am A7 Am7 Amaj7 AmM7 A6 Am6 A6/9 A5 A9 Am9 Amaj9 A11 Am11 A13 Am13 Amaj13 Aadd A7-5 A7+5 Asus Adim Adim7 Am7b5 Aaug Aaug7