Ab Add 9 Chord

Symbol: Abadd9

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

Abadd9 chord – keys Ab, C, Eb, Bb highlightedPiano keyboard with keys Ab, C, Eb, Bb highlighted. Ab is the root note.CEbAbBb
Abadd9 chord – keys Ab, C, Eb, Bb highlightedPiano keyboard with keys Ab, C, Eb, Bb highlighted. Ab is the root note.CEbAbBb

Guitar

Guitar chord diagram for Abadd9 (4fr)Guitar chord voicing with notes Ab, Eb, Ab, C, Eb, Bb.Abadd9 (4fr)43324

Intervals

NoteIntervalSemitones
AbP10
CM34
EbP57
BbM92

Related Chords (Ab Root)

Ab Abm Abdim Abaug Absus2 Absus4 Ab5 Ab7 Abmaj7 Abm7 AbmMaj7 Abdim7

Add 9 in All Keys

Cadd9 Dbadd9 Dadd9 Ebadd9 Eadd9 Fadd9 F#add9 Gadd9 Abadd9 Aadd9 Bbadd9 Badd9

Scales Containing Abadd9

C Natural Minor C Phrygian C Aeolian C Locrian Db Major Db Melodic Minor Db Ionian Db Lydian D Locrian Eb Major Eb Melodic Minor Eb Ionian

About the Ab Add 9 Chord

The Ab Add 9 chord is built from the notes Ab, C, Eb, Bb. These notes are derived by stacking intervals above the root note Ab, following the interval pattern that defines every Add 9 chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.

You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.

Try Abadd9 in the Chord Identifier →