Another useful chord type is the add nine (add9) chord. These chords are either a major or minor triad with the 9th degree added. The 9th degree is the same as the second degree of the scale, but an octave higher.
Here are some more add9 chord shapes. Once you have learned them, use them to play the following examples.
Cadd9

Fadd9

Gadd9

Dadd9

Aadd9

Eadd9
