Ab7-9 (Ab7b9) altered chord

Altered Ab chord for piano presented by keyboard diagrams.
Explanation: The Ab7-9 alter the Ab9 by the change of one note. The chord name can also be written as Ab7b9 or Ab7(b9).
Theory: The Ab7-9 are identical with the Ab9 except that the major ninth is flattenedThe tone is one half step lower.

Ab7-9

Ab7-9 chord diagram
Notes: Ab - C - Eb - Gb - A

G7-9 chord ‹ Previous • Next › A7-9 chord

See also Ab7+9 chord ›

Ab chord categories

Ab Abm Ab7 Abm7 Abmaj7 AbmM7 Ab6 Abm6 Ab6/9 Ab5 Ab9 Abm9 Abmaj9 Ab11 Abm11 Ab13 Abm13 Abadd Ab7-5 Ab7+5 Absus Abdim Abdim7 Abm7b5 Abaug Abaug7