G7-9 (G7b9) altered chord

Altered G chord for piano presented by keyboard diagrams.
Explanation: The G7-9 alter the G9 by the change of one note. The chord name can also be written as G7b9 or G7(b9).
Theory: The G7-9 are identical with the G9 except that the major ninth is flattenedThe tone is one half step lower.


G7-9 chord diagram
Notes: G - B - D - F - Ab

Gb7-9 chord ‹ Previous • Next › G#7-9 chord

See also G7+9 chord ›

G chord categories

G Gm G7 Gm7 Gmaj7 GmM7 G6 Gm6 G6/9 G5 G9 Gm9 Gmaj9 G11 Gm11 Gmaj11 G13 Gm13 Gmaj13 Gadd G7-5 G7+5 Gsus Gdim Gdim7 Gm7b5 Gaug Gaug7