A guided online experience with André · Arcanum
The Harmonic Gate
A 5-Week Online Overtone Singing Journey
Discover the hidden music within your voice.
Learn to hear, understand and sing overtones through live teaching, guided practice and deep listening. No previous experience required
First cohort special · Regular price €299
Discover the Hidden World Within Your Voice
What if every sound you hear — including your own voice — contains an entire world of music waiting to be discovered?
Within every note lives a rich spectrum of harmonics, usually hidden from our awareness. Through overtone singing, we learn to hear these frequencies, bring them to life and explore the extraordinary possibilities of the human voice.
But this journey goes beyond sound itself.
As we refine our listening and discover new dimensions of our voice, we also cultivate presence, sensitivity and a deeper connection to ourselves.
The Harmonic Gate is an invitation to enter this world — and discover what your own voice is capable of.
More Than Learning a Vocal Technique
Overtone singing reveals something extraordinary: within every musical tone exists a whole spectrum of harmonics.
By learning to hear and consciously amplify these harmonics, we begin to experience sound in an entirely new way.
For musicians and singers, this opens a deeper understanding of pitch, timbre, harmony and the architecture of music. For sound practitioners, it offers new possibilities for working with voice, resonance and meditative sound.
And for anyone curious about the human voice, it becomes a journey into listening, awareness and presence.
The Seven Keys of the Harmonic Gate
Overtone singing is often presented as a single technique. In reality, it is the meeting point of seven interconnected capacities.
Discover the architecture of sound and the harmonic series.
Reveal and strengthen harmonics through resonance rather than force.
Awaken your ability to hear individual harmonics.
Anchor the fundamental while the overtones move freely.
Experience resonance through sound, vibration and awareness.
Develop an overtone-rich voice and explore its wider possibilities.
Develop independent movement for precise overtone singing.
These are not seven steps to complete, but capacities that gradually come into alignment.
The Harmonic Gate does not open through force. It opens through alignment.
A New Way of Hearing Music
Instead of experiencing a musical note as a single sound, we begin to recognize the rich harmonic structure within it.
Discover how the harmonic series relates to intervals, how resonance shapes timbre, and why different voices and instruments have their unique sound.
Through direct experience, concepts that may once have seemed abstract become something you can hear, feel and explore with your own voice.
This practice can deepen musical listening, vocal awareness, improvisation and sensitivity to resonance — offering a new dimension to your musical expression.
What You Will Discover
During these five weeks, you will explore how to:
- Hear and recognize the hidden harmonics within sound.
- Produce your first overtones or refine the ones you already sing.
- Understand how the tongue, lips and vocal tract shape individual harmonics.
- Develop clarity, precision and stability without unnecessary tension.
- Understand fundamental tones, harmonics, resonance and musical timbre.
- Explore different overtone singing techniques and vocal textures.
- Use overtone singing as a practice of meditation, concentration and deep listening.
- Build a personal practice that continues beyond the course.
Your Five-Week Journey
Awakening the Ear
Discover the architecture of sound, the harmonic series and resonance. Experience your first listening and overtone exercises.
Opening the Harmonic Gate
Explore tongue and vocal-tract coordination. Learn the foundations of the L-Technique and guide individual harmonics.
Power Without Effort
Develop a stable fundamental, refine resonance alignment and amplify overtones with increasing clarity and ease.
Exploring the Voice
Discover styles and textures, including introductions to Khoomei, Kargyraa and other approaches. Explore the musical possibilities of the voice.
Integration & Expression
Bring the Seven Keys together through overtone melodies, sound as meditation and your continuing practice.
Each week builds on your experience, with time between sessions to practise, integrate and discover.
How the Online Journey Works
Every week we meet live on Zoom for two hours of teaching, demonstrations and guided exercises. Afterward, there is an optional additional hour for questions, individual guidance and practice.
Between sessions, work with the exercises at your own pace, supported by the Harmonic Gate Handbook and a library of instructional videos.
The learning materials are designed to support your practice well beyond these five weeks.
10 Hours
5 × 2-hour live Zoom classes
Optional Q&A
5 × 1-hour question and practice sessions
Handbook
A comprehensive PDF reference
Video Library
Demonstrations and guided practices
Audio Exercises
Cellphone resonance exercises to train your hearing
Recordings
Revisit live explanations and demonstrations
Who Is This Journey For?
- Curious beginners discovering the hidden possibilities of their voice.
- Singers and musicians deepening their understanding of harmonics, resonance, timbre and musical listening.
- Sound practitioners and facilitators exploring vocal resonance for sound journeys, meditation and ceremonial spaces.
- Existing overtone singers refining technique, coordination and expression.
- Anyone drawn to sound and meditation who wants to explore voice as a doorway into presence.
Meet Your Guide
I am a musician, overtone singer, sound alchemist and ceremonialist. My work brings together the ancient art of overtone singing, the science of sound, deep listening and the experience of resonance.
Through years of dedicated practice, study with experienced teachers and teaching in different parts of the world, I have developed The Harmonic Gate — a structured approach to understanding and experiencing overtone singing.
My intention is to make this extraordinary practice accessible without losing its depth. I believe genuine mastery grows through awareness, precision and ease — not through force.
Founding Course Special
Five weeks of live learning, guided practice, personal feedback opportunities and supporting materials.
For the first 10 participants.
Regular price: €299.
- Five live Zoom classes (10 hours)
- Optional weekly Q&A and practice
- Harmonic Gate Handbook
- Exercise video and audio library
- Session recordings and weekly practice guidance
Course starts: Sunday, January 10, 2027
Dates: January 10, 17, 24, 31 and February 7
Time: 7:00–9:00 PM Dubai time (4:00–6:00 PM Germany),
followed by an optional hour of individual practice and feedback.
Format: One live online group, limited to 15 participants.
All sessions take place live on Zoom.
Reserve Your Place — €249One-to-One Overtone Lesson
Participant price · Regular price €120
Would you like additional individual support? Add a private 45-minute online overtone singing lesson and work directly with André on your voice, technique and individual challenges.
Ask About a Private LessonWhat You Need
You don't need expensive equipment or a professional microphone. You will need a computer or tablet with Zoom, a stable internet connection, a smartphone for selected listening and resonance exercises, and a quiet space where you can comfortably use your voice.
Before the course begins, you will receive instructions for setting up Zoom's Original Sound for Musicians and accessing your learning materials.
Frequently Asked Questions
Do I need singing experience?
No. The course is designed to be accessible to complete beginners while also offering depth for experienced singers and musicians.
What if I already sing overtones?
The Seven Keys offer a framework for refining your technique, understanding resonance and developing greater precision and ease.
Do I need to attend live?
Live participation is strongly recommended, especially for guided exercises and feedback. Recordings will be provided for review and catching up.
How much should I practise?
Around 20–30 minutes of regular practice is recommended, adapted to your experience and available time. Consistency is more important than long sessions.
What happens after I register?
You will receive a welcome email with the Zoom schedule, preparation instructions, handbook and access to the exercise materials.
What happens after the five weeks?
You will have a structured foundation, exercises to continue with, and a clearer understanding of how to develop your overtone singing independently.
Ready to Open the Harmonic Gate?
The journey is learning to hear them, reveal them and experience the extraordinary world of resonance within every sound.
Join the 5-Week Journey →