Soundtrack to a TV commercial for cancer awareness in Iceland.

Bryndís Jakobs - Vocals
Halldór Gunnar - Guitar
Þórdís Gerður Jónsdóttir - Cello 
Jóhann Vignir - Synth, recording, mixing, producing.

Pink Ribbon - TV Spot - 60sec

Part of a soundtrack for the Icelandic docuseries 'What Can We Do'. Premiered on RUV in 2021. 

All Instrumentation - String programming by me.

Together - Climate Docuseries

Slow Waltz
for chamber ensemble

to Liana, with love

Originally for piano (Composed in November 2023)
This arrangement was made in two-and-a-half hours on 9th December 2023. 

Slow Waltz, for ensemble (2023)

All That Jazz was composed as a piece for a cycle of Nocturnes which eventually became 'Facing the Night'. On reviewing the piece, I considered it to be sufficient as a standalone piece and as an exploration of highly chromatic jazz. Listen in for a quotation of a jazz standard! 

Cover Art: All That Jazz, M.Sani.

All That Jazz, for MIDI (2021-22)

Said the poet: "Euclid alone has looked on Beauty bare."

Push back on "alone" if you like, but beauty may dwell in the immaterial, and from thus the possibility of art formed purely out of ideas. Or not purely: a sensual experience may, by its structure, simultaneously carry ideas. Two art objects, one immersive, the other cognitive, can simultaneously inhabit the same experience.

Varèse framed music as "structured sound," and I would add, alternatively, "sonified structure." Mathematics is the science of structure, so, if you like, the part of music theory robust (to some extent) against the contingencies of sonic materials. I have a long interest both in bringing to my composition ready-made mathematical objects and mathematical phenomena, and in letting the same emerge from sonic considerations themselves. But truly to infuse music with at least the ghost of "Beauty bare" requires evoking mathematical argument.

So consider communicating something by drumming. Fix a small unit of time. Now say you decide to work with only two durations between strikes, namely 2 units and 3 units. Even with the best coding, that choice limits your bandwidth—limits the rate at which you can transmit information.  Now one can quantify this in a sophisticated way with information theory, but we don't need to get into that now. But here's an interesting and not quite trivial fact: if your durations are 1 unit and 5 units, then you have exactly the same bandwidth as with 2 and 3 units! 

A long and short duration might remind you of Morse code. Well, if you "glue" the "dash", the long duration, of the 2–3 system to the following duration, you will get a drumming pattern in a 2–5–6 system. And that translation is reversible. But if you glue the "dot" of the 1–5 system to the following duration, then you also get a pattern in the 2–5–6 system, and also in a reversible way. So you can get from 2–3 to 1–5 via the trick of interpolating between them with another system you might not originally have thought to consider. There's an episode in the piece that makes precisely this transition/translation audible.

But it doesn't stop there! All the following systems also have the same bandwidth as the three mentioned above:
                                                                1–6–11–16–20, 
                                                                1–6–10, 
                                                                1–7–10–12–16, 
                                                                2–6–7–10–11, 
                                                                3–4–5, 
                                                                3–4–8–9–10, 
                                                                3–5–7–8–9, 
                                                                4–5–6–7–8.
Now hopefully the required "bridge" between, say, 1–6–11–16–20 and 3–4–8–9–10 doesn't seem obvious at all! Nevertheless one will experience it if one attends very closely to the sonic details of the piece.

Yes, you can forget all this and you still have an intense experience reminiscent of ritual drumming, albeit without any periodic underpinning. By the way, he piano part works just as the drums do, but also correlates pitches to the durations.

The title: if you wish to transmit a long random "message" in the 2-3-system, a certain ratio between the frequency of 2's and 3's will emerge.  The famous golden ratio would emerge from the 1-2-system and goes by the name "phi."  Hence "high phi" as one old and mostly forgotten proposal for a name of our ratio here.

High Phi, for drums and piano obbligato

The doctors didn't know what was wrong with my lumbar area. They said it was a herniated disk. Later it was found to be a diabetic complication that ate the nerves away from my lumbar area. Only 0.000000000000000875% of the population get this. i am very lucky. 

piano collection 15b: Herniated Disks Much Better Now.

An early ditty from 2002, for piano solo. The second in the piano collection series. 

Peter Thoegersen - Piano Collection II a

This is my fourth symphony, and I am using new software that sounds better. The new software is not microtonal friendly, therefore, there will be two versions: standard and poly microtonal. This version is in 12tet and it is still highly polytempic. Each choir of the orchestra is moving separately in Fuxian contrapuntal motions, such as, contrary, parallel, similar and oblique, with respect to tempi changes in the choirs.

Another fact about this piece is that it uses many fragments of Gregorian chant from the Liber Usualis and is scattered throughout the single movement piece. The chants are of various lengths and are brief. The form could be considered a type of "variation" form; even if the chants are not literally repeated, they do act as a type of chaconne, over which the symphony plays and explores.

As of today, Sep. 4th, 2025, a finished mix is uploaded and will remain the finished midi version of this piece in 12tet using NotePerformer.

Symphony IV: melodiae perpetuae in polytempic polytonality

This is a composite of 12 tracks: 4 strings, 4 pianos, and 4 drumsets all in four different tempos and 4 different tunings. All instruments are playing the original Hypercube score! No added notes. 

Hypercube Version III (for Chamber Ensemble: Strings, Pianos, and drumsets)

Piano II #2

Piano II #3

Composer, mathematician, visual artist. 
Seeks collaboration with performers and choreographers.

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High Phi, for drums and piano obbligato

David Victor Feldman

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