Tip #156 – Orchestrating Closed Fifth Structures

One interesting idea that I just read about that I want to share with you all is on how to orchestrate the closed fifth cluster.

To remind, the structure of the closed fifth cluster is a major or minor triad in root position with an extra note added a perfect fourth below the melody note.

The orchestration revolves around the idea of separating between two orchestral families.

In other words, try having the three notes that form the major/minor triad from one instrumental family in your orchestration while having the extra tone of the cluster come from a completely different instrument.

Not only will this create a variety and blend in the timbre, but it will also make the “cluster” sound become more pronounced.

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Tip #155 – Building Four-Part Closed Fifth Clusters

Once again, the title of today’s tip might sound a bit intimidating… but it is a lot more simpler than you think.

Today, we will be talking about building clusters that span over the harmonic interval distance of a perfect fifth by using only four different pitches.

Basically, to build a closed fifth cluster, you take a melody and harmonize underneath it by a perfect fifth interval. Then, you “fill in the middle” with the diatonic minor third of major fifth. So, now you have a bunch of triads. Finally, you add a note a perfect fourth below the melody note. And there you go, harmonization built from closed fifth clusters:

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Tip #154 – Cheat-Sheet for Four-Part Fourth Structures

Okay, the title may seem really confusing, but this is what it is:

This post is about how to create fourth structures (harmonies built on intervals of fourths) with four notes.

To read the cheat-sheet below, take a melody note and decide what function is it in relation to the chord. Then, you add three remaining chord member notes below it. Finally, you analyze the chord in relation to the melody note being the tonic:

So, say that I have the note A, and I want it to be the m3 of a chord:

Because A is the m3 of the chord, that means the notes below it (from highest to lowest) are E as the b7, B as the 11, and F# as the root 1. We can thus analyze this as vi 11 in the key of A major:

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Tip #153 – Dropped Voices

For the longest time, I had no idea what people meant by “use a ‘drop-2’ voicing on that chord.” That terminology was unfamiliar to me at the time. However, I am here no to tell you all so that you don’t end up in the same situation as I was of not knowing.

Dropped voicing is a simple way of creating an open position chord voicing by lowering specific notes by an octave.

First, you start with a chord (usually, in four-part density with the melody note doubled) just like the examples below:

Then to do “drop-2,” you simply drop the second voice from the top an octave down:

This can also be done as “drop-3” or “drop-4” depending on your liking of the sound. In addition, you can combine certain ones together. Most typically, arrangers use “drop-2 & 4” in their scores:

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Tip #151 – Using Fourth Structures in Harmonization

Continuing with a topic discussed the other day, we are going to take a look at how we can harmonize a melody using these fourth structures.

First, start off with a melody:

Then, add the diatonic fourth below the melody (this can either be a P4 or a tritone):

Now, we are going to do a closed fourth voicing, which means that we will add a third below the melody note. However, for the harmony that has a tritone, we are going to add a third ABOVE the bottom note:

If we instead wanted to do open fourths, we would need to stack two intervals of a fourth on top of each other. So, that simply means adding another fourth below the fourth from the previous example:

But, notice how the one with X’s have a tritone in them. Technically, that does not exactly fit the definition of an open fourth structure. To edit this, we use chromatics to adjust the harmonic intervals:

And there you go!

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Tip #150 – Difference Between Open and Closed Fourth Structures

Just like triads (tri- three) that are made of thirds, you can construct chords out of the perfect fourth interval.

Simply, and open fourth structure is a chord built from two P4 intervals on top of each other, spanning a m7 interval. A closed fourth structure is one that spans an interval of a P4 with a third below the melody note (either m3 or M3 depending on the diatonic scale)

However, in the case that the interval of the diatonic closed fourth chord is a tritone, the best way to reharmonize it is to create an interval of a third between the bottom note instead of the top:

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Tip #149 – Cheat-Sheet for Using Definitive Triads

The concept of definitive triad – while not commonly known – is very easy to understand and master.

It is using two adjacent diatonic triads of piece of music’s scale or mode to harmonize an entire melody.

Each melody note will be harmonized be either one of the two definitive triads in relation to its chord tone. Of course, there will be one remaining pitch that will not have a direct harmonization to one of the two definitive triads. In a simple exemption to the rule: use any diatonic triad containing that note to harmonize.

Below is a cheat-sheet on what chords within their respective scales or modes work best as the two definitive triads for harmonization:

So, a melody based in the mode of B Lydian will use the I and II chords… the B major triad and C# major triad. Because of the combination of those two chords { B , C# , D# , E# , F# , G# }, the A# is the note left-out… and thus, can be harmonized by any triad of your choice that is diatonic to the B Lydian scale.

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Tip #148 – Reducing Dominant Chords to Three-Note Harmonies

Tailgating on the idea of being limited to a three-part harmony; you are going to have to make some choices if you want the sound of a dominant chord, but can only voice three notes.

To remind: a dominant chord is a major triad with a b7 interval above it (and is usually decorated with extra upper extensions as well as tension tones).

So…

Whenever the root, 9, b9, #9, 11, +11, 13, or b13 is in the melody – support it with the 3rd and b7th of the chord underneath it.

Whenever the 3rd or 5th is in the melody of the dominant chord – support it with the b7th, and the remaining 5th or 3rd.

Whenever the b7th is in the melody – support it with the 3rd and 5th underneath it.

Whenever there is an alternation or substitution in the dominant chord – keep it, but make sure the distance between the two upper notes is not a m2.

And more so…

Keep this in mind as you plan how to do a harmonic arrangement and support of your musical work.

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Tip #147 – Cheat-Sheet on How to Substitute in Extensions into Triads

Say that you only have three melodic instruments – so only three notes for are harmony are possible. However, you want the harmony to be more than just a triad.

What do you do?

Below, I have created a cheat-sheet on what note of the triad to drop-out and substitute in an upper extension to create a feeling of a larger harmony:

This works best when the substituted note is the highest note in the melody, but you are free to experiment.

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Tip #145 – The Seesaw of Acoustic Balance in Counterpoint

If you know what a seesaw is – it is an outdoor playground ride where the changes of force on either side cause the ends to go up in down. When both sides are even, the seesaw is balanced.

You might experience a seesaw feeling when you are writing counterpoint:

  • On one hand, the two melodic lines must be heard; but one cannot completely overpower or be completely in balance in volume.
  • On one hand, the two melodic lines cannot be too similar in timbre where they blend in a mess; but they cannot be too distinctive where they don’t blend.
  • On one hand, the two different melodic lines music be unique; but they still must work together as one whole.

My advice to you the reader is:

  • Make one melodic line slightly louder than the other
  • Choose instruments carefully, as to which best pair for the greater effect of the music
  • And keep in mind intervals, rhythm, and motivic usage when crafting contrapuntal lines.

This could help create a balance.

Of course, this is just my advice – you are the composer, so do whatever you feel is right!

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