Harmony, how chords are built

Chords, defined as the simultaneous sounding of at least 3 sounds, are the skeleton, the  base on which you can write a song, more so in popular music.
We have already seen how chords are tied to the concepts of scale and tonality.

This kind of approach will allow us to answer the following questions today:

• How can you build chords?
• Is there a fool proof way to know all the chords relative to a certain tonality?

This method exists and today, in the three following videos, I will show it to you at the piano, applied specifically to major scales and tonalities.
I will also explain how to build chords, of any kind and of any complexity.

To achieve a better understanding of today’s lesson I personally advise, if you haven’t already, to wath the videos of the following lessons:

Musical intervals, how to properly name them (firts part)

The major scales: how to remember every note at any time

Let’s start by answering the first question: How can chords be built?