CadenzaC add nine
Cadd9
Also written C(add9) · C2
NotesC · E · G · D
Formula1 · 3 · 5 · 9
All its notes, from the root
A major triad with the 9th added and no 7th — bright, open, the favourite chord of acoustic pop. Add the 7th and it becomes Cmaj9.
How pianists voice Cadd9
The same notes, laid out the way hands actually play them.
Spread Open voicing
1 · 5 · 9 · 3 — root, 5th, 9th, 3rd. The 9th sits right under the 3rd, and that closeness is the sound.
Add nine chords in every key
Every C chord
Play a chord. See its name.
The free chord finder names whatever you play — on a MIDI keyboard, with your mouse or on your computer keys — with the same engine as Cadenza.
Or let the app follow you.
Cadenza names every chord you play, live, writes what you played as sheet music, and puts the keyboard straight into OBS. The core is free forever.