— Preface by Prof. Yih-Teen Lee, Professor of Leadership at IESE Business School, Barcelona, to the book “The Tone Makes the Leadership” by Prof. Dr. Hanns-Ferdinand Müller.
Some ideas emerge like melodies — subtly at first, then gradually gaining texture, harmony, and clarity until they resonate deeply. Reading this book of Hans-Ferdinand felt like that kind of experience. A sense of familiarity — in the metaphors, in the structure, and especially in the emotional undercurrents — gradually transformed into admiration. Admiration for an author who has managed to bridge two worlds that are rarely connected with such depth: music and management.
As someone who has journeyed through both worlds myself, I found the premise of this book not just intellectually engaging but personally moving. I spent much of my youth playing the violin, guitar, and electric bass in a rock ’n’ roll band — a formative period that taught me much about rhythm, collaboration, and the sheer thrill of co-creation. Over the years, as I moved into the world of leadership development and executive coaching, music became less visible in my day-to-day professional life, but it never left me. I remained, and remain, a devoted listener — often drawing emotional strength and insight from the works of Bach, Beethoven, Dvořák, Tchaikovsky, and Debussy. Their compositions revealed something more than beauty: structure, pattern, emotion, and above all, meaning.
It is precisely this integration — of logic and passion, of structure and soul — that Hans-Ferdinand brings to life in this book. He dares to ask what leadership might become if we truly listened — not just to market signals or performance indicators, but to people, to the organization as a living system, to ourselves. In the same way that music requires not only technical precision but emotional expressiveness, effective leadership also demands a full-person approach. This is what Hans-Ferdinand calls leading with “brain, heart, and butt.”
This phrasing — at once earthy and elegant — captures something essential. The “brain” represents clarity, analysis, and foresight; the “heart” stands for empathy, connection, and motivation; and the “butt” (as assertive as it sounds) reminds us of the importance of courage, determination, and follow-through. True leadership balances all three. Without a brain, we lose structure. Without a heart, we lose humanity. Without a butt, we lose impact.
I particularly appreciated the way Hans-Ferdinand explores resonance — a concept central to both music and leadership. In music, resonance occurs when one note vibrates in harmony with another. In leadership, resonance emerges when a leader’s tone, presence, and intent find echo in the minds and hearts of others. It’s not about commanding attention, but about earning it — through authenticity, timing, and trust. The chapter on listening as resonance — drawing on the philosophy of Hartmut Rosa and the Benedictine tradition — moved me deeply.
Reading this book, I found myself reflecting on Beethoven’s Ninth Symphony — a work we recently used to explore the concept of “deep listening” in an executive classroom. We studied its motifs, its transitions, its bold shifts in energy and emotion. But more importantly, we let it touch us. Leadership, at its best, requires that same full-body presence: understanding patterns, listening with care, and responding with resonance. Listening, when done fully, is a transformative act. It changes not only what we hear, but who we are.
This book is a generous offering — it combines practical frameworks with poetic insight. From stories of military service to C-level boardrooms, from jazz improvisation to classical composition, Hans-Ferdinand draws on his life with honesty, vulnerability, and humor. His reflections are not only intellectually stimulating but also actionable. The leadership tools and self-tests provided are not gimmicks; they are invitations to deeper self-awareness and intentional development. The book title “The Tone Makes the Leadership” is particularly compelling — a reminder that what we communicate is often less important than how we do so.
As an educator and coach, I see every day how difficult it is to maintain balance in leadership — especially in turbulent times. We are pulled toward decisiveness, but risk becoming reactive. We strive for empathy, but may hesitate when tough calls are needed. We seek strategy, but may lose touch with soul. What Hans-Ferdinand offers here is not a formula, but a sensibility — one rooted in his unique experience as a “border crosser” between music and management. His ambition is not just to teach, but to tune us — to help leaders hear the nuances again, and to respond with wisdom, grace, and impact.
It is rare to find a book that brings together so many threads — strategic clarity, emotional depth, practical tools, and artistic metaphor. It is rarer still to find one written with such humility, generosity, and honesty. Hans-Ferdinand’s voice is not that of a distant theorist; it is that of a fellow traveler — someone who has lived, stumbled, reflected, and now offers his music back to the world.
To Hans-Ferdinand: congratulations on this beautiful achievement. Your stories, your vulnerability, and your wisdom will stay with readers long after the last page. Thank you for showing us that leadership, like music, is not just a matter of technique — but of tone.
Let us all tune in!
Yih-Teen Lee
Professor for Leadership, IESE Business School, Barcelona
