The Major and Minor Third Intervals


 The Major and Minor Third Intervals

Now that you understand the ƒifth Ínterval, we can progress faster, and I can show you the types of τhird Íntervals so that you can begin building complete triad chords. There are two types of τhird Íntervals, which work with the Perfect Fifth to make a complete Triad chord. However, before I show you how, let me first show you what the two types of τhird Íntervals look like in the key of C

C Major 3rd

C Minor

F Major Third

F Minor Third

As you see, they are very similar, with the only difference being in the last note lowered a half tone. Just remember: Major Thirds use 4 half-tone steps and Minor Thirds use 3 halftone steps. Again, you won’t need to memorize the notes of every Third Interval in all keys. All intervals follow a certain pattern, and if you count the number of notes from the first to last note, in both the interval examples, respectively, you should notice they are the same. The two types of τhird Íntervals that are used for building the Triad chords are the Major and Minor τhird Íntervals. Just by knowing how these intervals are defined, you should be able to master them in all keys.

Q: How are the Major and Minor τhird Íntervals defined?
If we define these intervals, we have:

Major τhird Íntervals : 4 Half-Tones from the first to second note.
Minorτhird Íntervals: 3 Half-Tones from the first to second note.

We have also developed for you two interval charts to show you the Major and Minor- τhird Íntervals on all keys so that you can practice. Let’s first take a look at the Major τhird Íntervals on all keys. Let’s go to the Major Intervals chart.

C Major 3rd

Db Major Third

D Major Third

 

Eb Major Third

E Major Third

F Major Third

Gb Major Third

G Major Third

Ab Major Third

A Major Third

Bb Major Third

B Major Third

B Major Third Interval

Remember that you can get to a Minor Third from a Major Third by lowering the second note one half-tone. In this way, you can create all the Minor τhird Íntervals on all keys.Let’s take a look at the Minor τhird Íntervals Chart..

C Minor

C# Minor Third

D Minor Third

D# Minor Third

E Minor Third

F Minor Third

F# Minor Third

G Minor Third

Gb Minor Third

A Minor Third

Ab Minor Third

B Minor Third Interval

Before moving on to Triad chords, I want you to tell me if you think that the Minor and Major third intervals cause tension or not.

Go ahead and play the D Major Third Interval for example :

D Major Third

You’ll notice that the sound is quite pleasant with no sign of tension . You may try playing the same interval type on different keys. Even when pitch changes, the sound texture will feel the same, and it should still feel pleasant or un-disturbing. Now, let’s experiment with the Minor Third Intervals. Go ahead and play an E Minor Third
Interval, for example:

E Minor Third

Even though you’ll notice a change in the sound texture, quite a bit more sad or melancholic, you’ll still feel that the  sound is pleasant and not disturbing. Again, that will be the same, in any key you play it no matter what. So for now, we could say that the Perfect Fifth, Major Third , and Minor Third Intervals are intervals that do not cause tension and that usually sound pleasant and not disturbing. Now if I told you that the Major and Minor Triad Chords are actually made up of a combination of these three intervals, would you be able to guess if the Major and Minor Triad Chords will produce tension or not? I know you already know the answer, but keep reading and we will go into that as soon as I show you how to create the Major and Minor Triad Chords in any key.

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