The Science of Sound and How Frequencies Affect the Body, Mind, and Spirit
- Brainz Magazine
- Jun 9
- 5 min read
Jen Lucas' deep interest in the healing properties of sound led her to pursue formal training and certifications in several Vibrational Sound & Energy modalities. She is the owner of Sacred Tones Sound Healing Studio, a Sound Therapy Provider at a Luxury Mountain Resort Spa, and a Certified PBMt Consultant.

Have you ever found yourself unexpectedly crying during a sound bath? Or felt a sudden sense of relief, release, or peace while listening to a specific tone, chant, or piece of music? You’re not imagining it. You're experiencing the profound impact of vibrational healing. Certain frequencies don't just sound good; they create measurable physiological, neurological, and emotional shifts.

Why frequencies matter
Sound is more than what we hear; it’s what we feel. Every organ, bone, and cell in our body resonates at specific frequencies. When these natural frequencies fall out of sync due to stress, trauma, or illness, we feel it as emotional or physical discomfort. Sound therapy helps bring us back into harmonic resonance.
As a sound therapy practitioner, I witness this every day. People walk into my studio burdened by emotional pain, chronic stress, insomnia, fatigue, grief, or even unexplained physical ailments. And often, after just one session, something shifts. Their breathing deepens. Shoulders soften. Eyes well up. Sometimes they cry. Sometimes they smile. Sometimes they leave in contemplative silence. But always, something moves. Something releases.
What causes this movement, this mysterious healing?
To answer that, we must explore the science and spirituality of sound, as well as the ancient and powerful tool known as the Solfeggio frequencies.
What are Solfeggio frequencies?
Solfeggio frequencies are a series of sacred sound vibrations used in ancient chants, especially in Gregorian and Indian Vedic traditions, and believed to promote healing and spiritual growth. Rediscovered in the 1970s by Dr. Joseph Puleo through a study of numerology and sacred geometry in biblical texts, these frequencies are thought to interact with our biofield and DNA.
Each Solfeggio frequency corresponds to a particular chakra or energetic center in the body and carries a unique healing quality. For example:
396 Hz (Ut): heals the root chakra (Muladhara Chakra), liberates from guilt and fear, releases negative thoughts and feelings
417 Hz (Re): heals the sacral chakra (Swadhisthana Chakra), facilitates change and undoing of situations
528 Hz (Mi): heals the solar plexus chakra (Manipura Chakra), repairs DNA, promotes transformation, reduces stress
639 Hz (Fa): heals the heart chakra (Anahata Chakra), fosters connection and relationships
741 Hz (Sol): heals the throat chakra (Vishuddha Chakra), awakens intuition, purifies the mind
852 Hz (La): heals the third eye chakra (Ajna Chakra), restores spiritual order and awakens inner energy
While the ancient Solfeggio scale tones above are the most notable, Dr. Leonard Horowitz applied the same patterns in his research to uncover three more frequencies:
174 Hz: functions as energetic anesthesia, promoting the release of stress and pain
285 Hz: aids in the healing of tissues and organs, invigorates and rejuvenates the body
963 Hz: awakens the crown chakra (Sahasrara), supports intuition, and activates the pineal gland
Additionally, 432 Hz is often regarded as a natural tuning frequency that promotes relaxation and emotional well-being.
Try this: Explore one frequency per week. Journal your experience and note which tones you feel most drawn to or resistant to. Resistance can sometimes signal where healing is needed most.
How these frequencies create emotional release
Clients often ask why they feel so much during a session, why old memories resurface, or why tears flow without sadness. This is the purging effect of frequency.
When you listen to a frequency that matches the vibration of a stuck emotion or blocked energy center, it begins to “shake it loose.” That energy may rise to the surface in the form of:
A sudden emotional outburst (tears, laughter, anger)
Tingling or heat in certain body parts
Unexpected memories surfacing
A profound sense of clarity or peace
Spontaneous yawning, sighing, or muscle release
Frequencies like 396 Hz (liberation from fear) and 417 Hz (undoing emotional knots) are particularly powerful for this.
Tips for emotional release at home
Light a candle, clear clutter, dim the lights, and eliminate distractions.
Set an intention like “I am safe to let go” or “I allow healing in my heart.”
Use headphones for deeper immersion and full-spectrum vibration.
Place your hands on your body where you feel pain.
Journal afterward to capture any visions, emotions, or thoughts.
Stretch, sway, or lie in stillness to process the release.
Drink water before and after to support cellular cleansing.
Frequency in my practice
When working with clients, I often start by sensing where they’re holding stress. Then I select frequencies that help realign their energy. For grounding or trauma recovery, I often begin with 174 Hz or 396 Hz, moving into frequencies like 528 Hz to open the heart or 852 Hz to reconnect to higher guidance. The sound gently guides them into a parasympathetic (healing) state.
Each session is tailored intuitively, but always grounded in both tradition and science. The Solfeggio scale acts as a map to support people through grief, overwhelm, burnout, or spiritual awakening.
I recommend keeping a “frequency journal” to track patterns. You may discover that one frequency always helps you sleep, while another brings up strong emotion. Each of these responses is a valuable clue to your energetic map.
How to start using healing frequencies at home
You don’t need to be in a sound studio to experience the benefits of frequency. Here’s how you can begin:
Morning meditation: Start your day with 528 Hz to promote clarity and positivity.
During work: Play 741 Hz in the background to enhance focus and creativity.
Evening relaxation: Use 396 Hz to release the day's stress and prepare for restful sleep.
Yoga practice: Incorporate 639 Hz to deepen your connection and balance during poses.
Before sleep: Listen to 963 Hz to connect with higher consciousness and promote deep sleep.
Remember, consistency is key. Regular exposure to these frequencies can lead to lasting benefits.
Enhancing the experience
Combine with breathwork: Deep, rhythmic breathing can enhance relaxation and receptivity.
Use aromatherapy: Essential oils like lavender or frankincense can complement the healing process.
Engage in movement: Gentle movements or stretches can help release stored tension.
Practice visualization: Imagine the frequency’s energy flowing through your body, healing and restoring balance.
A final reflection
Your body is wise. It listens not just to your thoughts, but to vibration. You are a symphony of frequencies waiting to be heard, balanced, and harmonized.
When sound meets the parts of you that are tender, stuck, or forgotten, it doesn’t push or prod. It invites. It soothes. It awakens.
Working with frequency may be the subtle yet powerful realignment you’ve been longing for.
You don’t have to understand it all to begin. Just begin. Let your intuition guide you. Let your body respond. And over time, with curiosity and presence, you’ll start to discover your vibrational fingerprint, the unique spectrum of frequencies that align, activate, and heal you.
Read more from Jen Lucas
Jen Lucas, Certified Vibrational Sound & Energy Therapist
Jen Lucas is a guide in the realm of holistic wellness, employing sound, energy, and frequency. While engaging in sound therapy as a participant, Jen observed significant enhancements in her mental, emotional, and physical health during a challenging period. She is the owner of Sacred Tones Sound Healing Studio, a Sound Therapy Provider at a Luxury Mountain Resort Spa, and a Certified PBMt Consultant. She most appreciates the work of Nikola Tesla and agrees "If you want to find the secrets of the universe, think in terms of energy, frequency, and vibration."