Invention #4

from by Chris Brown

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Invention #4, Chris Brown (1999)

Invention #4 explores tempo relations generating from the proportion of 4:3, including the relations 9:8:6:4:3:2. It developed first as a score for four melody instruments and the “Talking Drum Ensemble”, which was an interactive installation made with four networked laptop computers programmed to explore polyrhythms. Each computer generated independent results using genetic-programming algorithms affected by one acoustic musician’s performance. The musicians improvised on written themes, interacting with the response of the computers they played next to, and the whole is a quartet of these human-machine duets. This piano version is the result of capturing the output of these duets to a MIDI sequencer, then converting the results to music notation. The notation was then edited and arranged so as to be playable by a human musician. It was nevertheless difficult enough to play that this recording of a computer-driven Yamaha Disklavier performance remains the only one to date!

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from Retrospectacles, track released October 7, 2018
Invention #4 was recorded in December, 2004 in Emeryville, CA.

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fo’c’sle California

fo’c’sle
pronounced: /folk-soul/, noun
1. the forward part of a ship below the deck, traditionally used as the crew's living quarters. Origin: representing a sailor's pronunciation of 'forecastle'
2. a music label dedicated to propagating fresh sounds in avant-garde music from the San Francisco Bay Area and beyond
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