[spectre] missed this? Exclusive piece by Mark Fell and Joe Gilmore

[Radio Web MACBA]

*COMPOSING WITH PROCESS: PERSPECTIVES ON GENERATIVE AND SYSTEMS MUSIC #9.1,
exclusive piece by Mark Fell and Joe Gilmore*

Mark Fell and Joe Gilmore wrap up this series on generative and process
music <http://rwm.macba.cat/en/composingwithprocess_tag> with a piece
created specifically for the occasion: 'Two Discrete Generative Systems'.

Link:
http://rwm.macba.cat/en/research/composingwithprocess_9_mark_fell_joe_gilmore/capsula
Related info:
http://rwm.macba.cat/uploads/20130606/Composingwithprocess9_eng.pdf

The focus of the ninth episode in this series is a project entitled 'Two
Discrete Generative Systems' by Mark Fell and Joe Gilmore. The works
referred to in the title were developed separately and first heard together
at Enjoy ArtSpace, Leeds, UK, on 29 April 2013. The recording presented
here is an ambisonic room recording of the event which was open to the
public. It is hoped that the works and their combination respond to some of
the key themes addressed throughout the series.

Gilmore's piece, presented on four loudspeakers, explores behaviours
generated by a flocking algorithm. These behaviours are used to control the
frequency and amplitude of four oscillators. The piece is presented as a
series of 'studies' of fixed duration followed by one minute of silence. In
each study the conditions of the flock are predetermined. Flocking is a
description of the group bahaviour of  living things such as birds, fish
and bacteria. In flock simulations, the motion of each agent is dependent
on the conditions governing the  overall behaviour of the flock, and also
on the interaction between autonomous agents. The three main conditions
governing movement are avoidance, alignment, and coherence. Although
flocking exhibits somewhat chaotic motion, in reality there is a complex
set of behavioural interaction occuring between individuals in the flock.

While Gilmore's piece explores tonality with multiple loudspeakers, Fell's
contribution by contrast uses a single speaker, centrally placed, playing
rhythmic structures with a percussive single sound principally derived from
the Linn kick drum. Among the arrangement of speakers a computer is placed
on a plinth, this displays a collection of sliders that are used to
generate and change the rhythm that is played. Audience members take it in
turns to change the sliders and make patterns. The algorithm used to
produce to rhythmic structures is based around groupings of durations and
repetitions of temporal intervals. This simple structure generates a number
of distinct patterns.

*You can find the complete series here:
http://rwm.macba.cat/en/composingwithprocess_tag

*
*Enjoy!*
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