A monthly collection of blurred collage, aural experiments, and tonal in-betweens with sound artist and musician Felisha Ledesma.

https://www.nts.live/shows/felisha-ledesma/episodes/felisha-ledesma-20th-may-2023

Felisha Ledesma 200523

Casimir Geelhoed is a composer and software developer who explores expressive relations between software and sound. His work often revolves around anxiety, overstimulation, fragility and transiency. He has created performances for various festivals, including The Hague’s Rewire Festival, Utrecht’s Le Guess Who?, Amsterdam’s Aural Spaces and Berlin's CTM Festival.

1/2 of @wh_s
1/7 of 4DSOUND
fka @hoekhoek

21.02.2025 In:Resonance, Thomaskerk, Amsterdam.

28.11.2024 Radio Hinter, Amsterdam.

18.10.2024 V23, Boekentoren, Ghent.

04.10.2024 10 Years of Janushoved, co-hosted by Zenevloed, OCCII, Amsterdam.

19.09.2024 Collaborative spatial sound performance with Anni Nöps, Conflux Festival, Rotterdam.

29.06.2024 Opening of Sculpting the Senses by Iris van Herpen at Gallery of Modern Art, Brisbane. Featuring “the feeling of space expanding...”.

29.05.2024 Deviations (premiere), Fiber Festival at Orgelpark, Amsterdam.

05.04.2024 Processing Music, Rewire Festival, The Hague.

28.03.2024 Field of Fictions, OT301, Amsterdam.

29.02.2024 Kinemorphosis, spatial sound performance at Sonic Acts Festival, Amsterdam.


14.01.2024 Scatter, Swarm, Sublimate in Borderlands, Stedelijk Museum Schiedam.

15.12.2023 Scatter, Swarm, Sublimate at Oceans of Sound Festival, STUK, Leuven.

08.12.2023 Scatter, Swarm, Sublimate in Borderlands, Stedelijk Museum Schiedam.

29.11.2023 Borderlands: masterclass, Stedelijk Museum Schiedam.

28.11.2023 Opening of Sculpting the Senses by Iris van Herpen, Musée des Arts Décoratifs, Paris. Featuring “the feeling of space expanding...”.

08.11.2023 My Words at Het Bos, Antwerpen.

22.10.2023 Residency & performance at Dutch Design Week, Eindhoven. With Anni Nöps and Lucien Nicou.

15.07.2023 Opening of Borderlands, spatial sound installation in collaboration with Anni Nöps, at Stedelijk Museum Schiedam..

23.06.2023 Crawl Space, The Hague.

14.06.2023  Presentation at Spatial Audio Meetup, NOTAM, Oslo.

04.06.2023 “Scatter, Swarm, Sublimate” at New Now festival, Essen.

03.06.2023 “Scatter, Swarm, Sublimate” at New Now festival, Essen.

02.06.2023 “the feeling of space expanding because of a person in the room”, premiere at Wave Field Synthesis Festival, The Hague.

17.05.2023 Lecture at “Exploring Spatial Sound” workshop at Stone Nest, London. In collaboration with 4DSOUND and Amoenus.

16.05.2023 "Scatter, Swarm, Sublimate”, performance & talk at “Exploring Spatial Sound” workshop at Stone Nest, London. In collaboration with 4DSOUND and Amoenus.

30.04.2023 "Ecologies of Listening", spatial sound diffusion at Stone Nest, London.

30.04.2023 "Collapse Don't Collapse", spatial sound diffusion at Stone Nest, London.

29.04.2023 "Scatter, Swarm, Sublimate", live spatial sound performance at Stone Nest, London. With Oren Ambarchi.

28.04.2023 "Drift", performance for organ & live processing. Orgelpark, Amsterdam.

25.04.2023 "Ecologies of Listening", spatial sound diffusion at Stone Nest, London.

25.03.2023 Live performance at Objects & Sound, Ghent.

09.03.2023 "My Words" at Whitespace II, Amsterdam. With Vanity Productions, Anni Nöps, Aimée Theriot, Agita Reke.


17.12.2022 "Scatter, Swarm, Sublimate" at Aural Spaces, Concertgebouw, Amsterdam. With Thomas Ankersmit.

27.11.2022 "Scatter, Swarm, Sublimate", spatial sound performance at Spatial Festival at MONOM Berlin.

22.06.2021 Whitespace at Night Air: Nuclear Unknowns, Sonic Acts, Amsterdam

18.06.2021 Octophonic Textures, Stadsklooster Utrecht.

24.09.2020 To Where The Dust Comes From, durational spatial sound installation at Fiber Festival, Amsterdam. In collaboration with Anni Nöps.

11.07.2020 Sound Sculpture Gallery at MONOM, Berlin. With Croatian Amor.

23.01.2020 Whitespace I at OT301, Amsterdam. With Fis, Djb, Anni Nöps, RKRN, Doukus.

14.12.2019 Negative Space at De School, Amsterdam. Performance for 30-speaker installation.

02.02.2019 Performance in 4DSOUND at CTM Festival, Berlin. With Drew McDowall

01.02.2019 Performance in 4DSOUND at CTM Festival, Berlin. With Drew McDowall.

01.12.2018 Whitespace at FIBER Festival, Amsterdam. A/V performance in collaboration with Anni Nöps and Zois Loumakis.

05.10.2018 Whitespace at After Earth, Amsterdam.

01.09.2018 Whitespace at Laser Club, The Hague.

03.08.2018 Whitespace at Under The Rose, Tallinn.

05.05.2018 “4DSOUND: A Retrospective” at MIRA Festival, Berlin.

09.12.2017 “4DSOUND: A Retrospective” at MONOM, Berlin.

31.03.2017 Rewire Festival, The Hague. A/V performance in collaboration with Dieter Vandoren

07.01.2017 HOEK at Van Onderen at Paradiso, Amsterdam

18.11.2016 Ecologies of Listening at Spatial Sound Institute, Budapest. Spatial sound performance and exhibition together with Mark Fell & J.G. Biberkopf.

20.10.2016 HOEK at Amsterdam Dance Event, Amsterdam

20.11.2015 HOEK at Metronome, Amsterdam

19.11.2015 HOEK at Le Guess Who? Festival, Utrecht

19.09.2015 HOEK at Incubate Festival, Tilburg

09.07.2015 HOEK at Aether, Amsterdam

24.05.2015 HOEK at Spring Festival, Utrecht

02.05.2015 HOEK at Rewire Festival, The Hague

30.04.2015 HOEK at Subbacultcha!, Amsterdam

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Felisha Ledesma 200523

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