score for church organ, sine tones, alarm
performed live at taborkirche 
audience sits in darkness on mezzanie
2022

ACOUSMATIC VOID

Miho - piano
William "Bilwa" Costa - sine tones
Rieko Okuda - viola/electronics
Antti Virtaranta - bass

live at RCHTN25, Berlin 30.09.2024

NOTES_TONES

Three Love letters on paper. 
Pencil & paper by me.

Three Love letters on paper

view.dialogs.share.soundcloud.description

parkslide

William 'Bilwa' Costa - field recordings, processing, composition
Nicolas Wiese - mixing desk feedback modulation, composition

Excerpt from rehearsal session at Quiet Cue, Berlin 
03/2019

Costa/Wiese - Rehearsal Excerpt 2

Costa/Wiese - Rehearsal Excerpt 1

Un/natural Field Recordings//Natural Overdubs - Workshop by William “Bilwa” Costa
Saturday 14 March, 11– 5pm & Sunday 15 March, 11 – 6pm           
Un/natural Field Recordings//Natural Overdubs is a workshop which utilizes urban, architectural, and natural urban spaces as a source for cultivating, processing, and over-dubbing sound. This workshop is open to artists of any medium (sound art, experimental music, performance, dance, visual art, etc.) who are interested in experimenting with sound. Participants will work individually and collaboratively, as an entire as well as in small groups.                                                                            GOAL
The goal of the workshop is to experiment with unorthodox methods of recording and processing sound; and to create personal sound palettes which can be used for experimentation, composition, and performance.

Group Recordings at KINDL Center of Contemporary Art

Un/natural Field Recordings//Natural Overdubs - Workshop by William “Bilwa” Costa
Saturday 14 March, 11– 5pm & Sunday 15 March, 11 – 6pm
                                                                                                           
Un/natural Field Recordings//Natural Overdubs is a workshop which utilizes urban, architectural, and natural urban spaces as a source for cultivating, processing, and over-dubbing sound. This workshop is open to artists of any medium (sound art, experimental music, performance, dance, visual art, etc.) who are interested in experimenting with sound. Participants will work individually and collaboratively, as an entire as well as in small groups.                                                                            
GOAL
The goal of the workshop is to experiment with unorthodox methods of recording and processing sound; and to create personal sound palettes which can be used for experimentation, composition, and performance.

Sbahn Score Group Performance | Workshop by William “Bilwa” Costa at Centrum

Un/natural Field Recordings//Natural Overdubs - Workshop by William “Bilwa” Costa
Saturday 14 March, 11– 5pm & Sunday 15 March, 11 – 6pm

Un/natural Field Recordings//Natural Overdubs is a workshop which utilizes urban, architectural, and natural urban spaces as a source for cultivating, processing, and over-dubbing sound. This workshop is open to artists of any medium (sound art, experimental music, performance, dance, visual art, etc.) who are interested in experimenting with sound. Participants will work individually and collaboratively, as an entire as well as in small groups.
GOAL
The goal of the workshop is to experiment with unorthodox methods of recording and processing sound; and to create personal sound palettes which can be used for experimentation, composition, and performance

ACOUSMATIC VOID

bilwa

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