7/06/2023

Exploring Minor Keys: Chords, Scales, and Function

In this article, we delve into the fascinating world of minor keys, exploring their chords, scales, and functions. We will draw insights from a video by Rick Beato, where he discusses the natural minor scale, melodic minor scale, and harmonic minor scale.

By understanding these fundamental elements, we can gain a deeper appreciation for the unique characteristics and musical possibilities that minor keys offer. Visit his channel Rick Beato!



The Natural Minor Scale:

The natural minor scale, also known as the Aeolian mode, serves as the foundation for the natural minor key. Its construction follows the pattern of 1, 2, flat 3, 4, 5, flat 6, flat 7. The chords built upon each scale degree in the natural minor scale include the tonic chord (1 chord), supertonic (2 chord), median (3 chord), sub-dominant (4 chord), dominant (5 chord), and sub-median (6 chord).

It's important to note that the scale degrees in natural minor share the same names as those in the major scale, except for the 7th scale degree, which is called the sub-tonic. The corresponding modes for the natural minor scale are the same as those in the major scale, beginning with Aeolian.


The 7th Chords in the Natural Minor Scale:

Expanding upon the natural minor scale, we explore the 7th chords derived from it. Each scale degree in the natural minor scale gives rise to a specific type of 7th chord. For instance, the 1 chord results in a minor 7th chord, while the 4 and 5 chords yield major 7th chords. The 2nd scale degree corresponds to a diminished triad, forming a minor 7 flat 5 chord.


Melodic Minor Scale:

Next, we turn our attention to the melodic minor scale, specifically its ascending version. The melodic minor scale follows the pattern of 1, 2, flat 3, 4, 5, 6, 7 ascending, and natural minor descending. The ascending version is commonly used, leading towards the tonic and incorporating a raised 6th and 7th scale degree.

Similar to the natural minor scale, the melodic minor scale generates distinct chords and modes. The chords derived from the melodic minor scale include minor, major, diminished, and augmented triads. Notably, the 7th chords in the melodic minor scale vary, with the 2nd chord always being a minor 7th chord, the 4th and 5th chords being dominant 7th chords, and the 6th and 7th chords being minor 7 flat 5 (half diminished) chords.


Harmonic Minor Scale:

The harmonic minor scale possesses a unique character, differentiating itself from the melodic minor scale. It follows the pattern of 1, 2, flat 3, 4, 5, flat 6, major 7. Notably, the harmonic minor scale features an augmented second interval between the flat 2nd and the natural 3rd scale degrees.

The chords derived from the harmonic minor scale include minor, major, diminished, and augmented triads. Notably, the augmented chord appears on the 3rd scale degree, adding a distinctive flavor to the harmonic minor scale.


The modes provide alternative tonalities and musical possibilities within the context of minor keys. Understanding the modes enhances our comprehension of chord progressions, improvisation, and composition.


The study of minor keys unlocks a treasure trove of musical potential, adding depth and emotion to compositions. By comprehending the natural minor scale, melodic minor scale, and harmonic minor scale, along with their respective chords and modes, musicians can tap into a rich palette of tonal colors.

Through Rick Beato's insightful video, we've gained a comprehensive understanding of minor keys, chords, scales, and their functions. Armed with this knowledge, musicians can confidently explore and create captivating melodies and harmonies within the captivating world of minor keys.

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