{"id":18498,"date":"2018-11-28T00:00:00","date_gmt":"2018-11-28T08:00:00","guid":{"rendered":"https:\/\/www.hearandplay.com\/main\/?p=18498"},"modified":"2024-10-05T06:15:19","modified_gmt":"2024-10-05T14:15:19","slug":"relationship-between-the-1-chord-and-the-4-chord","status":"publish","type":"post","link":"https:\/\/hearplaymain.wpenginepowered.com\/relationship-between-the-1-chord-and-the-4-chord\/","title":{"rendered":"Explained: The Relationship Between The 1-chord and The 4-chord In Structure And Function"},"content":{"rendered":"

Our focus in this lesson is on the relationship between the 1-chord and the 4-chord in the major key.<\/p>\n

Understanding the relationship between the chord of the first and fourth tones of the major scale will save you the mental stress of learning both chords separately.<\/p>\n

A good step to take towards learning this relationship should be geared towards understanding the chord quality of every scale tone chord in the major key.<\/p>\n

Let’s get started.<\/p>\n

A Breakdown Of Scale Tone Seventh Chords<\/h2>\n

There are seven unique tones in the major key. The following tones are in the key of C major:
\n<\/p>\n

C:
\n
\nD:
\n
\nE:
\n
\nF:
\n
\nG:
\n
\nA:
\n
\nB:
\n<\/p><\/blockquote>\n

These seven tones are root notes for the chords in the key (aka – “scale tone chords”) and each of them is associated with a number:<\/p>\n

C is the 1st<\/p>\n

D is the 2nd<\/p>\n

E is the 3rd<\/p>\n

F is the 4th<\/p>\n

G is the 5th<\/p>\n

A is the 6th<\/p>\n

B is the 7th<\/p>\n

The reference to C:
\n
\n…as the 1st tone of the C major scale:
\n
\n…is the reason why the C major triad:
\n
\n…and the C major seventh chord:
\n
\n…is known as the 1-chord.<\/p>\n

In addition to the 1-chord, there are other chords in the major key and we’ll be highlighting them right away.<\/p>\n

Quick Insights On The Quality Of Scale Tone Seventh Chords<\/h3>\n

Each of the seven scale tones in the major key has its chord; which can be a triad, seventh, or extended chord. Let’s quickly categorize these scale tone chords according to chord quality.<\/p>\n

The 1-chord:
\n
\n…is the C major seventh chord.<\/p>\n

The 2-chord:
\n
\n…is the D minor seventh chord.<\/p>\n

The 3-chord:
\n
\n…is the D minor seventh chord.<\/p>\n

The 4-chord:
\n
\n…is the F major seventh chord.<\/p>\n

The 5-chord:
\n
\n…is the G dominant seventh chord.<\/p>\n

The 6-chord:
\n
\n…is the A minor seventh chord.<\/p>\n

The 7-chord:
\n
\n…is the B half-diminished seventh chord.<\/p>\n

Attention:<\/strong> To learn more about this, I recommend our 500+ page course: The “Official Guide To Piano Playing.”<\/strong> [thrive_2step id=’18141′]Click here for more information.<\/span>[\/thrive_2step]<\/p>\n

The Relationship Between The 1-chord And The 4-chord<\/h2>\n

The goal of this lesson is to show you the relationship between these two scale tone chords:<\/p>\n

The 1-chord<\/p>\n

The 4-chord<\/p><\/blockquote>\n

Let’s look at the structural and functional relationship between these two chords in the key of C major.<\/p>\n

The Structural Similarity Between The 1-Chord And The 4-Chord<\/h3>\n

The 1-chord is the C major seventh chord:
\n
\n…and the 4-chord is the F major seventh chord:
\n
\nBoth chords are similar in structure and this is because they are of the same chord quality.<\/p>\n

“Let’s Look At Their Intervallic Components…”<\/em><\/p>\n

Here’s the distance between the first and third<\/strong> chord tones of both chords:<\/p>\n

The interval between C and E (which are the first and third tones of the C major seventh chord):
\n
\n…is a major third interval<\/strong> and so is the interval between F and A (which are the first and third tones of the F major seventh chord):
\n<\/p><\/blockquote>\n

Here’s the distance between the first and fifth<\/strong> chord tones of both chords:<\/p>\n

The interval between C and G (which are the first and fifth tones of the C major seventh chord):
\n
\n…is a perfect fifth interval<\/strong> and so is the interval between F and C (which are the first and fifth tones of the F major seventh chord):
\n<\/p><\/blockquote>\n

Here’s the distance between the first and seventh <\/strong>chord tones of both chords:<\/p>\n

The interval between C and B (which are the first and seventh tones of the C major seventh chord):
\n
\n…is a major seventh interval<\/strong> and so is the interval between F and E (which are the first and seventh tones of the F major seventh chord):
\n<\/p><\/blockquote>\n

Structurally, the 1-chord and the 4-chord are unmistakably the same chord and that’s why they have the same quality at the triadic, seventh, and ninth level of harmony and here’s the implication:<\/p>\n

The C major triad and F major triad are structurally the same:<\/p>\n

The C major triad:
\n
\nThe F major triad:
\n<\/p><\/blockquote>\n

The C major seventh and F major seventh are structurally the same:<\/p>\n

The C major seventh:
\n
\nThe F major seventh:
\n<\/p><\/blockquote>\n

The C major ninth and F major ninth are structurally the same:<\/p>\n

The C major ninth:
\n
\nThe F major ninth:
\n<\/p><\/blockquote>\n

Now that we’ve seen the structural similarity between both chords, let’s go ahead and look at their functional differences.<\/p>\n

Attention:<\/strong> To learn more about this, I recommend our 500+ page course: The “Official Guide To Piano Playing.”<\/strong> [thrive_2step id=’18141′]Click here for more information.<\/span>[\/thrive_2step]<\/p>\n

The Functional Difference Between The 1-Chord And The 4-Chord<\/h3>\n

The 1-chord is also known (to music scholars) as the tonic chord<\/a> while the 4-chord is known as the sub-dominant chord.<\/p>\n

The difference between the 1-chord and the 4-chord is in their tonal function. Irrespective of the structural similarity between the 1-chord and the 4-chord, the 4-chord cannot take on the tonal function of the 1-chord and vice-versa.<\/p>\n

The function of the tonic chord in the major key is different from the function of the subdominant chord.<\/p>\n

Submission:<\/strong> Although chord substitution makes it possible for any chord to be replaced by a related or foreign alternative, the tonal function of a scale tone chord is what distinguishes it from every other scale tone chord and this is sacrosanct.<\/p>\n

Final Words<\/h2>\n

From all what we’ve covered in this lesson, I’ doubly sure that you’ve seen that the 1-chord and the 4-chord are structurally the same chord, even though they are functionally different.<\/p>\n

In a subsequent lesson, we’ll take this to another level with the concept of the “1-4” idea substitution.<\/p>\n

See you then!<\/p>\n","protected":false},"excerpt":{"rendered":"

Discover the relationship between the 1-chord and the 4-chord. Learn how to turn the 1-chord into a 4-chord and vice-versa in this lesson.<\/p>\n","protected":false},"author":9,"featured_media":22421,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,416,9],"tags":[1074,2612,17,2060,2084,2699,2700],"class_list":["post-18498","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chords-progressions","category-experienced-players","category-piano","tag-1-chord","tag-4-chord","tag-basic-songs","tag-chord-1","tag-chord-4","tag-the-1-chord","tag-the-4-chord","post-wrapper","thrv_wrapper"],"yoast_head":"\nExplained: The Relationship Between The 1-chord and The 4-chord In Structure And Function - Hear and Play Music Learning Center<\/title>\n<meta name=\"description\" content=\"Discover the relationship between the 1-chord and the 4-chord. 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