There is a peculiar irony in "Stockholm 2019-2023": Kasper Agnas arrives at meticulously notated music after spending years becoming very good at doing precisely the opposite. A guitarist deeply rooted in Swedish jazz and improvisation, Agnas has built much of his reputation around the unpredictable possibilities of playing in the moment. He has worked with musicians including David StackenÄs, Joakim Milder and Per “Texas” Johansson, and as part of Agnas Bros he has become one of the more recognisable names in Sweden's adventurous jazz scene. His 2017 Montreux Jazz Festival guitar prize confirmed the technical side of that reputation, while releases such as "Grain" and "1305" increasingly revealed a composer unwilling to leave the instrument's possibilities safely inside the jazz department.

"Stockholm 2019-2023" takes the next step. Over four years Agnas wrote around thirty compositions for different chamber formations, selecting six for this album. The instrumentation changes from piece to piece, bringing together guitars, pianos, violins, cello, trumpet, voice and drums. The result is neither conventional chamber music nor jazz stripped of improvisation. It occupies a more curious middle ground, where repetition, counterpoint, timbral colour and tiny rhythmic displacements generate movement without relying on spontaneous intervention.

The crucial question is therefore not whether the music is improvised. It isn't. The more interesting question is why it often "feels" as though it could be.

That sensation becomes immediately apparent in “Parus Major”. The piece is brief, but its compactness is deceptive. Small figures appear to circulate among the instruments, each repetition slightly altering the listener's sense of where the musical centre lies. There is no grand exposition followed by development in the traditional sense. Instead, the music seems to observe itself changing. This is one of Agnas's most distinctive qualities as a composer: he seems fascinated by the difference between repetition and recurrence. A repeated figure is never entirely the same because the context around it has shifted. A phrase returns, but another instrument has moved half a step in perception, if not literally in pitch. A rhythmic cell acquires a different weight because the silence before it has changed. The music behaves like an object being turned slowly under a lamp.

“Springs” makes this particularly evident through its treatment of trumpet lines. Phrases overlap with a slight delay, producing something close to a musical afterimage. The effect is almost comic at times, as though one instrument has heard the other and decided that copying it three seconds later would be an excellent idea. But beneath the simplicity lies considerable structural precision. The pieces do not simply repeat. They pursue.

This sense of musical pursuit becomes even more pronounced in “Nostalgi I-IX”, the album's longest composition. Written for two guitars and cello, it works with small melodic units that are repeatedly rearranged through different temporal relationships. The title promises nostalgia, but the music is not particularly sentimental. Instead, it examines what nostalgia might actually consist of: the recognition of something familiar that is never quite reproduced in the same form. Memory, after all, is a terrible archivist. It keeps the outline and loses the furniture. “Nostalgi I-IX” understands this beautifully. A tiny musical fragment can become almost hypnotic through repetition, then suddenly seem unfamiliar because another voice has changed its position around it. The piece feels less like a story than a sequence of rooms connected by doors that are all slightly misplaced.

This is also where Agnas's transition away from improvisation becomes philosophically interesting. His own reasoning is that improvisation may not possess an inherent artistic value simply because it is improvised. What matters may instead be the sensation of immediacy, the impression that the music is unfolding rather than merely being reproduced. That is a dangerous thought for a jazz musician. It is also an unusually productive one. Because if spontaneity is partly a "perception", then composition can attempt to manufacture that perception. Agnas does exactly this. He builds pieces in which musicians follow predetermined structures, yet the interaction of their lines creates enough instability to suggest that the music might take another route at any moment.

“Agogics I” is perhaps the clearest demonstration. Written for guitar, two violins and piano, it layers independent repetitive processes whose speeds and points of emphasis do not always coincide. The resulting texture is both orderly and slippery. You can hear the mechanisms, but you cannot quite predict the next convergence. The music resembles several clocks placed in the same room, all accurate, none quite agreeing about what time it is. Human beings have spent centuries inventing clocks and then becoming upset when they disagree. Agnas turns the problem into composition. What makes “Agogics I” particularly effective is that its complexity does not depend upon density. There is plenty of space between events. The listener can isolate individual lines, follow their trajectories, lose them, rediscover them. The piece therefore rewards both analytical listening and passive absorption.

That balance is central to the album. Agnas's music is constructed with enough detail to withstand close examination, but it does not punish anyone who simply lets it happen. This is important because minimalist and repetitive music can sometimes become an exercise in endurance disguised as profundity. Here, repetition is not used to tell the listener that patience is morally superior to pleasure. There are things to enjoy.

“Waves, surge, float” is the most immediately evocative title on the record, and the music lives up to it without becoming illustrative. Its gestures seem to swell, recede and return, creating a gentle sense of instability. The piece has an almost physical relationship with motion: not the dramatic movement of a crescendo, but the continuous shifting of something suspended in water.

The final “Agogics II” brings the album's concerns back into sharper focus. The title itself refers to expressive changes in rhythm and tempo, and Agnas uses that territory not as decoration but as structural material. Timing becomes melody. Acceleration becomes colour. A pause can alter the shape of an entire phrase.

The musicians on the album are crucial to making these ideas convincing. Mandus and Sabina Agnas join Kasper on guitars; Johan and Max Agnas contribute piano; Alva Press and Josefin Runsteen play violin; Linnea Talp cello; Urban and Joakim Agnas trumpet; Stina Agnas voice; and Nils Agnas drums. It is a sizeable ensemble by the standards of much contemporary chamber music, yet the sound rarely becomes crowded. That restraint is one of the album's strengths.

The instruments are not arranged as competing personalities. They behave more like different materials inside a single mechanism. Brass can provide a pulse rather than a fanfare. Guitars can function almost percussively. Strings become lines of duration rather than emotional decoration. The piano may establish a harmonic field only to have that field gradually destabilised by repetition.

There is something almost architectural about the whole thing. Not architecture in the grand, monumental sense. More like a carefully designed building where you only notice the geometry after walking around inside it for a while. This is perhaps why the album's title matters. "Stockholm 2019-2023" sounds deliberately administrative, almost bureaucratic. A location and a date range. No poetic subtitle, no grand conceptual declaration. Yet those five years contain a significant transition in Agnas's musical thinking.

The album documents a period in which he stopped treating improvisation as an unquestionable good and began asking what composition could do once that assumption had been removed. The answer is not rigidity. It is freedom of another kind.

When musicians are no longer responsible for inventing the material in real time, Agnas can construct relationships that would be difficult to sustain through spontaneous playing. Tiny temporal shifts can be repeated precisely. Multiple processes can coexist. A phrase can return at exactly the right moment, then be displaced just enough to alter its meaning. Paradoxically, removing improvisation gives the composer more room to manipulate uncertainty. That is the album's real conceptual achievement.

It does not reject jazz so much as examine one of its fundamental assumptions from the outside. The improviser is not necessarily freer because everything is open. Sometimes freedom comes from knowing exactly where you are, precisely enough to notice what happens when the surrounding structures move. And there is a quiet emotional dimension to this process.

The album is not cold mathematics. Its repetitive figures accumulate a peculiar tenderness. Perhaps that is because repetition is inherently human. We repeat things when we practise, when we remember, when we worry, when we love, when we fail to say something properly the first time. We return to the same places hoping that this time the view will be different. Agnas's compositions understand that instinct without turning it into sentimentality. The music keeps moving. Not dramatically. Not urgently. It moves because standing still, in music as in life, is usually just another form of motion measured badly.

"Stockholm 2019-2023" is therefore an unexpectedly convincing argument for composition as a form of controlled uncertainty. Its precision does not eliminate spontaneity; it relocates it. Instead of asking musicians to invent the material, Agnas asks them to inhabit a structure so carefully that the structure itself begins to breathe.

For a guitarist who came from improvisation, that is quite a beautiful contradiction. The musician who once trusted the instant has learned to write it down.

And somehow, the instant survives.