Assessment Task 3A — Sound/Ambience

Pithoprakta (1955 – 56) is a piece by Iannis Xenakis. The title translates to “actions through probability”. The piece is based on the numerical mechanics of gases, Gauss’s law, or Brownian motion. Each instrument is represented as a molecule following the Maxwell – Boltzmann distribution law, with Gaussian distribution of temperature variation. This theory tells us that “the temperature of a gas derives from the independent movement of its molecules”.

My public place is Central Station. In recording aspects of Central Station I have constructed a sound clip of parts of a whole. I used Pithoprakta (1955–56) as an abstract representation of how I intended to show my piece. With my notation, I used the black paint to represent each sound that comes from the train station and to show how each sound flows together to create a “whole”. The red dashes throughout the notation represent the public throughout the sound clip to show how the public are the ones who make the place public. This way to notate them is inspired from one of Iannis Xenakis’s audio adaptations having the dashes play the music by having them transition from being close together and moving further apart depending on the amount of conversation from the public.

Reference List:

graphicnotation. 2017. // iannis xenakis | graphicnotation. [ONLINE] Available at: [Accessed 06 January 2017].

Wikipedia. 2017. Pithoprakta – Wikipedia. [ONLINE] Available at: [Accessed 09 January 2017].

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