The Violoncello da Spalla Problem: Acoustics, Playability, and Stringing

There is no shortage of attempts to recreate the violoncello da spalla today. What is often missing is not effort, enthusiasm, or technical skill. What is missing is a coherent understanding of the system the instrument requires.

That distinction is decisive. A form may be copied, measured, traced, and repeated, yet remain misunderstood. One can reproduce an outline without understanding what musical reality it was intended to serve, what stringing logic it requires, or what conception of proportion made such a form possible in the first place. This is where many modern attempts become limited before the instrument has even begun to speak.

My instruments are not replicas of modified originals, nor are they imitations of Hoffmann or Snoeck interpreted through modern habit. They are the result of reading surviving evidence through the combined lens of historical sources, performance practice, string behaviour, proportion, and lived experience as both maker and player.

Modern attempts often begin where the instrument ends: with measurement. Lengths are taken, outlines are copied, millimetres are adjusted, and technical comparisons are made. Yet the more difficult question is what gave rise to the form in the first place.

Earlier makers did not work from measurement alone. They worked within traditions where music, proportion, geometry, and practical use were closely related. The maker’s role was not to impose arbitrary form upon matter, but to organise material so that it could serve musical purpose.

This is why the same names appear again and again across disciplines: Plato, Vitruvius, Al Kindi, Al Farabi, the scholars of Ikhwan al-Safa, Alberti, Palladio, Mersenne, Nassarre. They belong to different centuries and fields, yet they share a concern with proportion, harmony, and form. Nassarre writes, “pero guardando la proporcion dicha lo hacen mas sonoros” — by observing proportion, they make them more sonorous. That is not literary ornament. It is instruction.

To say this is not to diminish Stradivari or any other historical master. On the contrary, it is to take them more seriously. Stradivari did not descend from nowhere. He emerged from a culture of thought, proportion, discipline, and musical understanding. To revere the finished object while ignoring the conditions that made it possible is to misunderstand part of its achievement.

The modern approach often begins with the eye. My approach begins with the ear. It begins with music, with the necessity that an instrument must first be imagined as a participant in sound before it is translated into physical form. Technology can measure many things, but measurement alone does not explain why a form works musically.

An instrument is not an object in the abstract. It is a condition of action. It either supports a body in music, or it obstructs it. This is where the second major problem appears.

Many violoncelli da spalla are made by luthiers who have not had to live with the instrument on stage, in rehearsal, in recording, or in dialogue with leading ensembles. They can observe it, copy it, and discuss it. But without bodily experience of the instrument, it is difficult to understand what the technique requires, how the instrument must meet that technique, and what sort of resistance or ease will decide whether a player can truly inhabit it.

I have had to answer this question not only as a maker but as a player. Working with ensembles such as La Petite Bande and Bach Collegium Japan changes the problem entirely. The instrument is no longer an eccentric object. It becomes part of a living musical situation. In that reality, technique is embodied, not theoretical.

This is why some instruments struggle not because they are badly made in a superficial sense, but because they are made without a lived understanding of use. One can build a respectable object and still produce an instrument that quietly fights the musician at every important moment.

There is a further issue, often underestimated: the string problem.

The violoncello da spalla cannot function with standard solutions. Not viola strings, not ordinary cello strings, and not improvised substitutions meant for guitars, harps, or other instruments. The instrument requires dedicated string logic corresponding to its scale, tension, response, and acoustical intention. Without that, the entire idea suffers.

The result is predictable: instruments that do not respond properly, do not project, do not carry their resonance convincingly, and frustrate players who might otherwise have understood the instrument’s potential. Then an uninformed conclusion is drawn: the instrument itself must not be viable.

That conclusion is false. What is not viable is the method used to produce it. If the stringing logic is wrong, everything built upon it is compromised. The whole idea is then made to appear unworthy of serious attention, when in reality it has merely been badly served.

At a certain point, the problem becomes more fundamental still. It is no longer simply about acoustics or playability. It becomes a question of whether one understands what sort of knowledge one is dealing with.

I once asked a respected contemporary maker what unit of measurement the old masters used. There was no answer. In architecture the answer is clear: the modulus. In instrument making it is also clear, but not fixed in the same way. Here the modulus is string length, and from it arise proportion, interval relationships, resonances, and overtones. In other words, the instrument is not measured into existence. It is derived from relationships.

This is where the modern mentality reveals its limitation. It assumes that if enough measurements are gathered, understanding will follow. But measurement is only the surface residue of a prior logic. Measurement can preserve the trace of a form, but it cannot explain the intelligence that generated it. If the generating principle is not understood, then one remains trapped at the level of description. One can repeat the external marks of intelligence without possessing the logic that generated them.

That is why I say: training a parrot to repeat Socrates does not make it Socrates. The point is not imitation. The point is understanding the order from which form proceeds.

I did not arrive at this approach gradually through academic preference. I arrived at it through rupture.

In 1992, my first violin unexpectedly received a diploma at a competition. What struck me was not success, but the astonishing uniformity around me. Everyone repeated the same Strad pattern. Everyone accepted the same assumptions. Yet almost no one seemed able to answer the simplest question: why does the instrument have this shape?

That moment forced a break. I abandoned the modern approach because I could not continue participating in a culture of repetition without understanding. I began to seek elsewhere—not for novelty, but for origin. What I was looking for was not another model, but the principle by which form becomes necessary.

The deeper origin lies earlier still. In 1989, standing in the ruins of a two-thousand-year-old theatre of extraordinary acoustical power, I asked Mstislav Rostropovich why it sounded so convincing—better, in many respects, than some modern halls built by today’s experts in acoustics.

He answered with a question: “What if the ancient masters knew something we simply forgot?”

That question has stayed with me ever since. It was not a slogan. It was a direction. From that point on, the search ceased to be for improved surfaces or clever technical variations. It became a search for the relationship between sound, proportion, culture, and the human body.