Level 2
Major Triads
Turn three interval roles into a major chord from any root.
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The Major Formula
A triad is a chord with three different note roles. A major triad contains a root, a major 3rd, and a perfect 5th.
Major Triad Formula
Root + M3 + P5. Count 4 semitones from the root for the major 3rd and 7 semitones for the perfect 5th.
The root names the chord. Starting the same formula from C makes C major, while starting it from G makes G major.
Quick Check
Which interval formula creates a major triad?
Quick Check
How far is the major 3rd from the root?
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