music theory – Page 8 – Modern Music Theory Improvisation and Application

Enhance Your Compositions with Polytonality Techniques

Posted on July 1, 2025June 1, 2026 by Modern Music Theory and Application

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Polytonality: For Concerto/OrchestralWriting lesson

Please watch the video above for detailed analysis:

Hi Guys,

This is the Re-Post that you requested.

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PART 1:

What is Polytonality?

Polytonality is the use of two or more keys at the same time:

Example 1:

Db Major/C Major [Basic root position]

poly-tonality-orchestral-composing-chords-example

In this first example we have 4 bars of Polytonality with Eminor/DbMajor and EbMajor/CMajor

Sheet music showing a polytonal example with E minor/Db Major and Eb Major/C Major labels. — Musical notation illustrating polytonality with E minor/Db Major and Eb Major/C Major.

This then resolves itself with a “Tonal” diatonic cadence of B7/D# to Em:

This method is really useful because we can use the polytonal approach sparingly with it’s thicker and richer harmonic texture whilst then then playing its opposite it with the thinner aspect of diatonicism.

This way the Polytonal nature of the music compliments the diatonic cadences and visa versa.

Example 2:

Polytonality-Orchestral Example

This example explores “Implication”. In this case it is implying the melodic minor but avoiding the cliche by employing the richness of Polytonality:

Sheet music showing C# minor, Fm7, A minor, Ab Major, and Gm6/A chords with annotations as examples for polytonality. — Musical notation illustrating chord progressions in polytonality, featuring C# minor, Fm7, Aminor, Ab Major, and Gm6/A.

From here, we will again employ diatonic harmony for a cadence.

To complete this short orchestral example we will go back into Polytonality with another melodic minor implication by employing Dminor/DbMajor:

Sheet music showing the chord labels 'D minor' and 'Db Major' in red text to demonstrate polytonality. — Musical chart depicting D minor and Db Major for a polytonal music example.

Here is the chart:

poly-tonality-orchestral-composing-example

Example 3:

Polytonality-Orchestral Example

In this final example we will just “Reverse” the chords. This time it is DbMajor/Cmajor which is then played the other way around with CMajor/DbMajor.

finally, we will employ a slash chord for an “Implied” cadence: This will also lighten the harmony:

Musical notation of a slash chord labeled 'G/C' with staff lines and symbols. — Illustration of a G/C slash chord as notated in music theory.

Here is the Chart:

FREE PDF DOWNLOAD:

polytoanlity Download

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Easier way to improvise with Music Modes [Guitar]

Posted on June 19, 2025 by Modern Music Theory and Application

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IMPORTANT: Please watch video above for detailed info:

Hi Guys,

Today, a quick look at another way of exploiting modes/improvisation on the guitar fingerboard.

We will be creating music via concepts/musical tools based on this minor shape.

Why do this?

Because with this 5 fret shape arpeggio we can easily create:

So, for instance in C Major [Ionian] we can take chord iii and Vi arpeggio shapes as a solid base and create/develop improvisation-as opposed to learning millions of scale/mode shapes/patterns etc.

With this as a base we can develop proper musical lines and rhythmic phrasing

Before we start it’s important to see how easily chords iii and Vi link together:

Example:

The first thing to be aware of is the basic pentatonic’s right under our fingertips with this arpeggio shape:

[These pentatonic’s give us some basic building blocks from the outset]:

QUARTAL SOUNDS

Next let’s add some 4ths for a Quartal jazz/fusion-esque sound:

Descending:

Ascending:

With extension

Basic Quartal fingerboard movement:

CYLE OF 4THS

Another thing to take into consideration is the cycle of 4ths under our fingertips:

Remember that we can also make these, major, minor, diminished or augmented:

For instance all major:

All minor

[This gives us even more colour and choices for chromaticism/chromatic movement right under our fingertips once again]

TARGET TONES/APPROACH NOTES [JAZZ CHROMATICS]

Below, we can see the set-up for target tones with this Em arpeggio shape:

We can also add some chromatic notes to this to create a longer jazzy-esque line:

String Skipping Petnatonic’s

String skipping works well because it removes familiarity/cliches from the ear:

Here are two examples:

Example 2:

PAIRING TRIADS

Lastly pairing triads works really. Here is a Lydian example:

conclusion

This blog has only really touched on this way of thinking, but, you can see how easy it is to make connecting lines and musical phrasing and how to exploit improvisation tools from this simple minor arpeggio shape.

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Exploring John McLaughlin’s Unique Guitar Chordal Harmony

Posted on April 21, 2025April 21, 2025 by Modern Music Theory and Application

Please watch video above for detailed info:

Hi Guys,

Today, a quick look at some of John McLaughlin’s amazing altered, slash and ambiguous guitar chords.

Johns harmony is a very rich palette indeed.

In the little example above in the video, I play about with some of Johns harmonic movement and colour.

EXAMPLE 1:

Although, I could employ diminished harmony, I am instead aiming at “Implication”….Why?…This is in order to bring out the big “Rich” resonance of the guitar.

F/F# [/A]

Eb/E [/B]

john_mclaughlin_guitar_chord_example_lesson

It is an ethereal sound where the natural harmonics and overtones can ring out of the guitars sound hole harmoniously.

SHORT CONNECTING RUN:

Next, we employ a Bb Major run with a few chromatic notes. These being, the B natural and the E natural chordal tones.

EXAMPLE 2:

Now, let’s add two more resonant chords,

A/Bb

B/C

ARPEGGIO CONNECTION:

We will now connect to the next part together.

This will be with an arpeggio of Ebm mostly [or D#m] implying BMaj7. [Although there is an implied resolution to B7 also].

This juxtaposition, creates another ambiguous move that opens up a fresh and unique sounding harmony.

john_mclaughlin_guitar_arpeggio_example_lesson

From here, we can manipulate and resolve into the Bb minor full barre harmony:

Now, let’s create a sequence. This will be, C#7sus4 to C7 with a sharpened 4th and a Maj7th.

Notice, the chromatic movement in the bass as we sequence this.

Finally, this resolves from CMaj7#11 to CMaj7 with open string guitar chords.

PDF DOWNLOAD:

Chord Download

IN CONCLUSION:

In conclusion, this was just a quick look at Johns unique take on harmony and how to apply some scale and arpeggio movement to connect it all together.

John’s harmony is a lovely combination of ambiguity and resonance with a sense of calm.

The magical ethereal tone opens doors to really interesting solo applications that exploit implied harmonies and dissonances. These I find are met with with lingering resolutions that are never quite met.

It’s a sort of pairing of opposites that you can’t quite put your finger on that give it that alluring yet elusive quality.

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