Root position Cadd9
C – E – G – D
Right hand 1-2-3-5Left hand 5-4-3-1
Cadd9 C E G D Formula 1 3 5 9 4 notes
The Cadd9 chord has 4 notes: C, E, G, D. The major triad plus the ninth (the second, an octave up): played close, the ninth sits right above the fifth.
| Note | Interval from the root | Half steps |
|---|---|---|
| C | Root | 0 |
| E | Major 3rd | 4 |
| G | Perfect 5th | 7 |
| D | Major 9th | 14 |
The same notes in a different order. The lowest note changes the name after the slash; the fingering below is the usual one - right hand from the lowest key up, left hand from the lowest key up too.
C – E – G – D
Right hand 1-2-3-5Left hand 5-4-3-1
E – G – C – D
Right hand 1-2-3-5Left hand 5-4-3-1
G – C – E – D
Right hand 1-2-3-5Left hand 5-4-3-1
Every key where Cadd9 is one of the seven chords, with its Roman numeral, and the scales whose notes include all of it - the ones to improvise over it.
Cadd9 is not a diatonic chord of any major or natural minor key.
The Cadd9 chord (Cadd9) is made of C, E, G, D. Its formula is 1 3 5 9 - the root, then the intervals of a add 9 chord.
Put your right thumb on C and play the other notes with fingers 1-2-3-5. With the left hand, use fingers 5-4-3-1 from the lowest key up.
root position Cadd9 (C E G D); 1st inversion Cadd9/E (E G C D); 2nd inversion Cadd9/G (G C E D).
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