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Triads Tutorial



We know that a chord is any number of notes sounded simultaneously. Well a triad is a three note chord.

We're going to start by looking at the tonic triad. You remember the technical names used to describe the position of a note in the scale. The tonic is of course the first note or root of a scale. So to build a tonic triad we will be starting with this note.

Let's take the key of D major as an example. Here's the tonic of D major:



So here's the rule:
To build a triad we start from our root note, and add the third and the fifth above.


So here is the tonic triad in D major:



Here's how we found those notes:
  • D is our root note.
  • Three notes up the D major scale from D (counting D as note 1) gets us to F sharp - the 3rd
  • Five notes up the D major scale from D gets us to A - the 5th
So remember:

  • Any note with this 1-3-5 structure is called a TRIAD
  • A triad built on the first note of the scale is called the TONIC TRIAD

You can build such triads in any key - major or minor, using the same procedure of simply counting up the scale notes 1, 3 and 5. Here are a few examples:














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