door / by HARMONIC SOUNDS - the Association of Sound Therapy

Sound Healer Opleiding 2023

Sound Healer Training Course 2023 - Belgium

English version


Below you can find all the information about the Sound Healer Course that Nestor Kornblum & Michele Averard will be presenting for the 14th time in Belgium, in the period of September to December 2022.

This course is given in English.

Nestor Kornblum & Michele Averard are pioneers in Sound Healing in Europe and the founders of The Association of Sound Therapy, based in Spain.

Both are famous Sound Therapists with more than 25 years of experience.

Nestor is a worldwide acclaimed Overtone singer & teacher and author of the book "Overtone Chant, the practical guide".

Michele is a very succesful singer/songwriter, author of the book "13 Steps to free your Healing Voice" and facilitator of women's groups.

For more information on Nestor & Michele:

With their thorough, holistic approach and years of experience, they bring a unique combination of energy work and sound healing practice, all supported by a solid theoretical foundation. Their way of teaching is praised not only for its integrity, but also for the humour and playfulness with which they share their life work.  

Nestor and Michele have been presenting this course in Spain for over 20 years. In 2010 they delivered it for the first time abroad, here in Belgium, where it has been a successful annual event ever since. 

The course spans 4 weekend modules of training, practice and profound transformation through Sound. There is one module per month, starting in September 2023 and finishing in December 2023 (course dates: see further below). In between the modules, students get the opportunity to practice, exchange and integrate the information and techniques presented in the course.
After completion of the course you receive a Diploma accredited by the I.A.S.T. (International Association of Sound Therapy).

More info on sound healing you find here.

For whom

  • for everybody interested in Sound

  • therapists and healers who wish to integrate Sound into their practice (eg. people active in yoga, Tai Chi, massage, bodywork, dance, energy therapies, etc.)

  • for everybody who wants to feel and live a healthy and energetically flowing life using the power of Sound

No previous knowledge whatsoever required!
Check out testimonials from previous years' participants: click here (Dutch and English mixed)


 The course is - as mentioned - spread over 4 weekends/modules; topics can change from one weekend to another.
Module 1
The Science and Theory of Sound Therapy:how sound affects us on all levels of our being.

Cymatics and other Sciences, such as Masaru Emoto’s work and others. 

The relationship of Sound and Energy to Matter and Form. Shamanism and the origins and History of Sound Healing.

The Healing Power of Sound and Energy. Practical techniques to take conscious control of the energy that flows through us, using the power of Intention
Creative Visualization and the Voice: develop your natural abilities to Feel and Sense the effects of sound on yourself and others.

Cleansing, harmonizing and balancing the chakras and subtle bodies with Vocal Sounds.

Free your Healing Voice: Practical vocal and Intoning techniques to discover your authentic voice and its healing potential..

(Michele developed a unique method for freeing your healing voice, which she has combined in her book 'Free your Voice, Heal your Life' (published in 2012), also available as an online course on their website. 
Her techniques for freeing and developing your healing voice, help you to clean and release blockages that no longer serve you, and heal conditionings that have limited your ability to experience yourself as the Miracle of Life you truely are)
Module 2
Overtone Chant, Overtone Singing: 
singing two simultaneous sounds by amplifying the pure, sine wave harmonics within your voice.

This ancient and potent technique is used by Shamans in Mongolia and Central Asia to resonate with Nature and purify the Mind and Spirit. In the last 3 decades this has become a refined Sound Healing tool. We will learn the basic techniques and therapeutic applications. Everyone will be singing Overtones within the first day of this module!

Sound as a tool for raising personal and planetary frequency & sacred Geometry:
the relationship between Sound, Musical Intervals, Ratios and Form. The physical structure of Sound and its reflection in Nature. Harmonic re-patterning through Sound.
Tuning Forks and their application in Sound Health Therapy:

SonoPuncture- the application of Tuning Forks on reflex points of the meridians, feet, hands and spine,

Osteophony- the application of Tuning Forks on the articulations and other bony processes of the body,

Diaphony- the Bio-Energetic application of Tuning Forks on the Chakras and in the Subtle Energy Bodies (aura).

Intervals (the relationship between sounds) and their effect on the human system on mental, emotional and physical levels.

Module 3

Singing Bowls, Himalayan and Quartz bowls:
the origins, theory and applications in self–healing and applied healing.

Includes practical sessions on healing the physical and subtle bodies.

Voice and Energy work:
continuation and refining what was initiated in the first Module with Michele

Conducting a Sound Healing Session with Protocols, Creating a safe and protected healing space and more.
Module 4
The use of colour in conjunction with other sound healing tools

Advanced energy management: protection and cleaning of spaces, rooms and energy fields, as well as the treatment area. How to give a complete Sound Healing session.

How to conduct a professional SOUND JOURNEY - Healing Session for groups, with a variety of Therapeutic and acoustic instruments. Instruction on the healing applications of each instrument.

Integrating other instruments:  We will also discuss and demonstrate in the various modules during the Course the application and use of other instruments such as:
Monochords and other string instruments / Gongs and hand-pans (Hang-drum type instruments) / Native American Flute, Overtone flute / Didgeridoo (and circular breathing) / Native Drums, Rattles, Ocean Drums and other instruments.

Harmonic Integration. Revising and integrating the entire course. Bringing all the Knowledge and Practice together into a harmonious whole. Exams in the form of Practical evaluation and award of diplomas.

Total course duration: approximately 81 hours

2023 Course Dates

  • September: module 1: Saturday 23rd and Sunday 24th of September from 9h30 till 18h30

  • October: module 2: Saturday 28th, Sunday 29th and Monday 30th of October from 9h30 till 18h30 (3 days - school holliday)

  • November: module 3: Saturday 25th and Sunday 26th of November from 9h30 till 18h30

  • December: module 4: Saturday 16th, Sunday 17th of December from 9h30 till 18h30

Course venue

Steiner School

Mallekotstraat 43

Lier (Antwerp area) - Belgium

the school has a big parking space and is within walking distance of the train station
Steinerschool Lier, Mallekotstraat 43 Lier
The Steiner School does not provide catering or overnight accommodation. But you can bring a packed lunch and in the lovely town of Lier you can find all sorts of accomodation and restaurants for all budgets.

Check for hotels and B&B's the website of Visit Lier. And of course you can check Airbnb for a cheap stay.

If you need overnight accommodation, we recommend that you book your stay a.s.a.p.


Course fee

€ 1.695 for the full course.

We offer the possibility to pay in installments:
  • downpayment upon registration: €645
  • 1 week before the 1st weekend of the course: €350 
  • 1 week before the 2nd weekend of the course: €350
  • 1 week before the 3rd weekend of the course: €350

Other proposals of paying in parts can be considered, please contact us with your proposal.

We require that the full course fee is settled prior to the 3rd course weekend, so that there are no loose financial ends preventing your completion of the course

Payments should be made by bank transfer to the account number IBAN BE56 7330 5564 5088 / BIC KREDBEBB, with reference "SHC2023 + name of participant(s)"
Please note that, although the payment can be settled in parts, the course cannot be followed in parts (so you cannot register for just one or two weekends).
Cancellations & Refunds
  • cancellation up till 3 months before start date = 100% refund
  • cancellation between 3 months - 1 month before start date = 50% refund
  • cancellations within a month before start date = no refund.
For more information, do not hesitate to contact us, Stefan & Mieke from "Thuis in Jezelf" (translated: At Home in Yourself)
via mail [email protected] or phone +32 3 366 46 16

Covid-19 measures

The course venue is a large, well ventilated space with high ceiling and a garden, offering room for 'physical distancing' and plenty of opportunities to take a breath of fresh air.

If, due to government regulations, the course is cancelled, the fee you already paid will be reimbursed at 100%. In other words, we will not keep your money till a new course is planned, nor will we give you a voucher. You will get back what you paid;
Once the course is running we will assure that the students get what they registered for. Though the form in which received, might be different. This is garanteed! Even if corona/covid-19 prevents the teachers of giving all the weekends.  In this case there is of course no refund. FYI, even in 2020 we were able to succesfully complete the course.