In every key
The same shape, moved. The symbols below are spelled the way the app spells them, which is the spelling the chord's own scale asks for rather than whichever accidental is easier to type.
- Cadd9
- Dbadd9
- Dadd9
- Ebadd9
- Eadd9
- Fadd9
- F#add9
- Gadd9
- Abadd9
- Aadd9
- Bbadd9
- Badd9
Voicings
Written in C, because that is the key the encyclopedia authors them in; every one transposes unchanged.
Root Position
C · E · G · D
beginner
Rootless Triad+9
E · G · D
intermediate
Cluster Add9
C · D · E · G
intermediate
Tight cluster top voice
Where it turns up
Pop/jazz crossover. Common in contemporary jazz, fusion, and Brazilian music. Less harmonic 'pull' than Cmaj9.
Commonly swapped with
- Cmaj7
- C6/9