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Abadd9 chord (A flat added ninth) on piano

Abadd9 (A flat added ninth) has four notes: A flat, C, E flat and B flat. Its formula is 1, 3, 5, 9. In major keys, Abadd9 is the Iadd9 chord in Ab major, the IVadd9 in Eb major and the Vadd9 in Db major.

Abadd9 inversions and fingering

CAbBbEb
Root position
Ab Bb C Eb · RH 1-2-3-5 · LH 5-4-2-1
CBbEbAb
First inversion
Bb C Eb Ab · RH 1-2-3-5 · LH 5-4-2-1
CEbAbBb
Second inversion
C Eb Ab Bb · RH 1-2-4-5 · LH 5-3-2-1
CEbAbBb
Third inversion
Eb Ab Bb C · RH 1-2-4-5 · LH 5-3-2-1

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Abadd9 chord facts
SymbolAbadd9
Also writtenAbadd2
NotesAb C Eb Bb
Formula1 3 5 9
Intervalsroot, major third, perfect fifth, major second
TypeAdded ninth chord

Abadd9 across the keyboard

C3C4C5C3C3C3Eb5Ab1Bb9Eb5Ab1Bb9

Piano, C3 to C5. Notes in this scale, low to high: C3 (3), Eb3 (5), Ab3 (1), Bb3 (9), C4 (3), Eb4 (5), Ab4 (1), Bb4 (9), C5 (3).

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Questions

What notes are in the Abadd9 chord?

Abadd9 (A flat added ninth) has four notes: A flat, C, E flat and B flat. Its formula is 1, 3, 5, 9. Ab is the root, C is the major third, Eb is the perfect fifth and Bb is the major second.

How do you play Abadd9 on piano?

Play Ab, C, Eb and Bb together. Root position: Ab Bb C Eb · RH 1-2-3-5 · LH 5-4-2-1.

What key is Abadd9 in?

In major keys, Abadd9 is the Iadd9 chord in Ab major, the IVadd9 in Eb major and the Vadd9 in Db major. It is diatonic to those keys, so it fits songs in any of them.

What is the difference between Abadd9 and Ab9?

Abadd9 is Ab9 (Ab, C, Eb, Gb and Bb) without Gb, the flat 7th.