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Lsystem#2
20-10-2018 / 20-11-2018

Lsystem is a composition created for an acousmatic installation at the 2018 TAI (Tuscan Art Industry) festival.
The score is composed using a method I’ve named Nn (nomen nescio), where the overlay of the structure of Niels Bohr’s atomic model onto the Bösendorfer Imperial 290 piano model assigns a note to each element of the periodic table. I arranged the sequence of elements in the chemical formulas that describe chlorophyll photosynthesis, recreating on the computer the extension across the 97 keys of the Bösendorfer piano. I then inserted the resulting score into a Csound programming environment that manages pre-sampling, evolving it to a climax that becomes a metaphor for biological growth in the work.
The resulting track, recorded as it evolves up to the buffer-overload limit, accompanies a concrete sound sample: a nighttime recording in the courtyard of via Genova 17, capturing activity from the adjacent factory.
The program's rising climax sits on this sound bed, articulating into 4 variations of the algorithmic process.

(Artext Interview with Alessio de Girolamo by Dino Ascardi)

*Lindenmayer used L-systems to describe the behavior of plant cells and to model the growth processes of plant development.


Curated by Chiara Bettazzi.

Photo credit: Chiara Mannocci.


original soundtrack

exhibition link