Not all things fade by nature. Some are made to disappear.

Evanescent Frequency mirrors a world where decay is no longer organic but imposed, where lifespans—of objects, ideas, and even sound—are carefully engineered to be short-lived. In nature, resonance lingers, and silence comes gradually. But in an age of programmed obsolescence, disappearance is manufactured, ensuring that what was once essential is discarded before its time.

The music unfolds in this same manufactured cycle. It begins with fragments—small pulses of energy, scattered textures that gradually coalesce, gaining complexity and momentum. Harmonies expand, orchestration thickens, and layers accumulate, reflecting the illusion of permanence and progress.

At its peak, the structure begins to dissolve. But this is not destruction—it is an unraveling, an enforced stillness that overtakes what was once vibrant. The density of sound fades into weightlessness, harmonies drift apart, and resonance becomes ghostly, as if the music itself is slipping away into the unreachable. The frequencies do not end abruptly but instead dissolve into an ethereal quiet, mirroring the way things vanish from use yet never fully disappear.

Evanescent Frequency is a meditation on impermanence, on the forces that decide what is allowed to endure and what is designed to be forgotten. It asks us to listen—to what fades, to what remains, and to the silence left behind.

Evanescent Frequency for Orchestra (BBC Symphony Orchestra Virtual Library_Pre-Release)

Dedicated to Sara Ruiz and Rafael Muñoz, extraordinary musicians and cherished friends, this concept explores the intricate art of musical expression within rigid temporal constraints.

"Affections at a Constant Tempo" refers to the challenge of evoking diverse emotional states—joy, sorrow, tension, calmness—while adhering strictly to an unchanging metronomic pulse. For composers, performers, and improvisers, this presents a unique difficulty: how to convey profound shifts in mood or character without altering the tempo. The fixed pulse acts as both a boundary and a canvas, demanding creativity in other dimensions of music such as dynamics, articulation, phrasing, harmonic progression, and melodic contour.

The true artistry lies in the subtleties: a lingering note here, a sudden dynamic shift there, or an unexpected dissonance that colors the emotional landscape. This concept is particularly challenging because tempo often serves as one of the most intuitive tools for shaping emotion; removing it from the equation forces musicians to dig deeper into their expressive toolkit.

To Sara and Rafael, who understand the nuances of music like few others, this idea is a testament to your mastery and sensitivity. May it inspire you to explore new ways of weaving emotions into the steady heartbeat of a constant tempo.

Affections at a Constant Tempo

String Quartet Encore

Should We Make a Trio?

I once went to a satanic ritual as a musician, I promised not to tell what I saw ... 

The Devil is Looking for You

You take care not to be envious and he will make sure that the predatory animals leave ...

God Loves Spain

Love to Madrid

Thank you Lord, the merit of this music is all yours.

Dedicada a mi Tía Maribel.

x'GOD

A sweeping orchestral embrace that dissolves tension into stillness. Soft strings and gentle woodwinds guide the mind from chaos to quietude, like dawn light parting storm clouds. This piece is a sonic sanctuary—crafted for moments when the world feels heavy, offering a space to breathe, reset, and find your center. Let the harmonies carry you from stress to calm, one note at a time.

State Changer: Calm

For warriors who fight with both sword and soul. This orchestral epic begins with thunderous brass and war drums (heroic action), then fractures into haunting strings.

Strategic Emotional Alchemy: Warrior's Resolve

Sound Branding Architect: I don’t sell music—I engineer emotional sound identities that convert listeners into customers.

Sound Hacking System™
I engineer audio that rewires consumer brains to crave your brand.

How it works:

 1. Neural Sound Mapping
 Identify subconscious sound patterns that trigger compulsive engagement in YOUR audience.

 2. Algorithm-Engineered Audio

 - Custom Spotify/YouTube channels optimized for addiction (not just retention)

 - Platform-specific soundtracks that hack recommendation algorithms

 3. Biometric Performance Tracking
 Measure how each frequency impacts:

 - Purchase intent (via eye-tracking & pulse response)

 - Brand recall (EEG-tested)

Unlike traditional sonic branding:
My system doesn’t just sound good – it reprograms emotional pathways to associate your brand with visceral need.

* (Recent case study: MGYM brand achieved 2,7% cart abandonment reduction by implementing dopamine-triggering checkout sounds.)

String Quartet Encore

Héctor Castillo | Lab

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