A7(b9)
A7(b9)
A 7(b9)
Advanced
Major
Altered
7b9 chord - dominant with flat 9
Chord Structure
Notes in Chord
A
RootC#
Major 3rdE
Perfect 5thG
Minor 7thBb
Minor 9thInterval Details
A
Root
C#
Major 3rd
E
Perfect 5th
G
Minor 7th
Bb
Minor 9th
Interval Formula
1P - 3M - 5P - 7m - 9m
Sound Character
Timbre
Bright, stable
Emotion
Happy, optimistic, strong
Suitable Genres
Pop, Rock, Country, Classical
Inversions
An inversion is a rearrangement of the notes in a chord, with a different note as the bass (lowest note).
Root Position
A - C# - E - G - Bb
Bass: AInversion 1
C# - E - G - Bb - A
Bass: C#Inversion 2
E - G - Bb - A - C#
Bass: EInversion 3
G - Bb - A - C# - E
Bass: GInversion 4
Bb - A - C# - E - G
Bass: BbCompatible Scales
These scales can be used when improvising or soloing over the A7(b9) chord.
Related Chords
Extended from A7(b9)
A13b9
A7b9b13
A7b9#11
A13b9#11
A7b9b13#11
A7b9#9
Simplified
A5
A7no5
AM
A7
Aalt7
AMaddb9
Alternate Symbols
A7b9
Tags
altered
dominant
Piano
Voicing 1 / 2
Guitar
Position 1 / 4
Ukulele
Position 1 / 4