D7-9 (D7b9) altered chord

Altered D chord for piano presented by keyboard diagrams.
Explanation: The D7-9 alter the D9 by the change of one note. The chord name can also be written as D7b9 or D7(b9).
Theory: The D7-9 are identical with the D9 except that the major ninth is flattenedThe tone is one half step lower.


D7-9 chord diagram
Notes: D - F# - A - C - Eb

Db7-9 chord ‹ Previous • Next › D#7-9 chord

See also D7+9 chord ›

D chord categories

D Dm D7 Dm7 Dmaj7 DmM7 D6 Dm6 D6/9 D5 D9 Dm9 Dmaj9 D11 Dm11 Dmaj11 D13 Dm13 Dmaj13 Dadd D7-5 D7+5 Dsus Ddim Ddim7 Dm7b5 Daug Daug7