Cadd9 chord (C added ninth) on piano
Cadd9 (C added ninth) has four notes: C, E, G and D. Its formula is 1, 3, 5, 9. In major keys, Cadd9 is the Iadd9 chord in C major, the IVadd9 in G major and the Vadd9 in F major.
Cadd9 inversions and fingering
C D E G · RH 1-2-3-5 · LH 5-4-2-1
D E G C · RH 1-2-3-5 · LH 5-4-2-1
E G C D · RH 1-2-4-5 · LH 5-3-2-1
G C D E · RH 1-2-4-5 · LH 5-3-2-1
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| Symbol | Cadd9 |
|---|---|
| Also written | Cadd2 |
| Notes | C E G D |
| Formula | 1 3 5 9 |
| Intervals | root, major third, perfect fifth, major second |
| Type | Added ninth chord |
Cadd9 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C3 (1), D3 (9), E3 (3), G3 (5), C4 (1), D4 (9), E4 (3), G4 (5), C5 (1).
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Questions
What notes are in the Cadd9 chord?
Cadd9 (C added ninth) has four notes: C, E, G and D. Its formula is 1, 3, 5, 9. C is the root, E is the major third, G is the perfect fifth and D is the major second.
How do you play Cadd9 on piano?
Play C, E, G and D together. Root position: C D E G · RH 1-2-3-5 · LH 5-4-2-1.
What key is Cadd9 in?
In major keys, Cadd9 is the Iadd9 chord in C major, the IVadd9 in G major and the Vadd9 in F major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Cadd9 and C9?
Cadd9 is C9 (C, E, G, Bb and D) without Bb, the flat 7th.