Annea Lockwood (Piano Transplants, 1968–2005)
Andrea Büttner (Piano Destructions (2014/2023)
AY-O (The piano for Rainbow Music, 1989)
Ann Noël (Untitled 1989/2001)
Arrigo Lora-Totino (Eine kleine Nacht – nicht Partitur, 1989)
Arthur Jaffa (Love is The Message, The Message is Death, 2016, The White Album, 2018)
Benjamin Patterson (Variations for Double-Bass, 1962, Piano dóiseux tropical, 1989)
Bjørn Nørgård (Hesteofringen, 1970)
Carles Santos (Destroyed Piano with Photograph, 2008)
Charles Ives (Three Quater-Tone Pieces, 1925)
Carolee Schneemann (Up to and Including Her limits, 1971-1976, Untitled piano, date unknown)
Christian Marclay (Virtuoso, 2000 & The Clock 2010)
Conlon Nancarrow (Music for Player Piano 1942-1992)
Douglas Henderson (Stop, 2007)
Dorothy Iannone (A Souvenir for Ajaxander, 1989/90)
Einar Torfi Einarsson (Schumann-Sculpture, 2015)
Elsa von Freytag-Loringhoven/Marcel Duchamp (Fountain, 1917)
Erik Bünger (The Third Man, 2010)
Esther Ferrer (Piano con alas, 1986)
George Brecht (Iced dice, 1989)
George Maciunas (Piano Compositions 1–12)
Harpo Marx (Wreckmaninoff, A day at the races, 1937)
Henning Christiansen (Green Violin, 1974 etc)
John Cage (Sonatas and Interludes, 1946–48)
Jean Tingeley (Homage to New York, 1960)
Jennifer Allora, Guillermo Calzadilla (Stop, Repair, Prepare: Variations on Ode to Joy for a Prepared Piano, No.1, 2008)
Joseph Beuys (Infiltration for Piano, 1966/The Skin, 1984)
Joe Jones (Pianoforte in Legno Nero, 1973, Cage Music 1965)
Jim McWilliams in collaboration with Charlotte Moorman (Ice Music, 1972, Chocolate Cello, 1976)
Keiji Haino (Miracle, 2015)
Ken Unsworth (Rapture, 1994)
Kristine Tjøgersen (Piano piece, 2020)
Larry Miller (Remote music, 1990)
Lawrence Ferlinghetti (Uno piano per fare rivoluzione, 2002)
Meret Oppenheim (Fur Breakfast and various other works)
Mascull Lasherre (Various)
Matthijs van Heijningen Jr. (The Thing, 2010)
Mark Brusse (In case of loneliness only, 1990)
Marla Hlady (Playing Piano, 2008)
Mauricio Ancalmo (Dualing Pianos, Agapé Agape in D Minor, 2011)
Milan Adamciak (Water Music, 1970)
Milan Adamciak and Jozef Revallo (Ensemble Comp Duo, 1969)
Nam June Paik (Klavier Integral, 1958–1963, Prepared toy piano Piano piece, 1993, TV Bed in collaboration with Charlotte Moorman, 1972, Human Cello in collaboration with Charlotte Moorman, 1965)
Nicky Enright (The Ravages, 2012)
Nikita Gale (Tempo Rubato (Stolen Time), 2023–2024)
Phill Corner (Piano Activities, 1962, Worked, 1983)
Rebecca Horn (Concert for Anarchy, 1990)
Rasa Todosijeviv (Untitled, 2004)
Robert Watts (Anniversary Piano, 1987)
Ridley Scott (Alien – the eighth passenger, 1979)
Robert Gligorov (Dollar Note, 2006–2007)
Raphael Montañez Ortiz (Henny Penny Piano Destruction, 1966–1998, Duncan Terrace Piano Destruction Concert: The Landesmans Homage to "Spring can really hang you up the most")
Sanford Biggers (Blossom, 2007)
Simon Steen-Andersen (Piano concerto, 2016)
Sigurdur Gudmundsson (Homage to Henri Rousseau, 1980)
Steven McCaffery (Piano CONZ-antina, 2002)
Toshi Ichiyanagi (Music for Piano No. 5, Fluxvariation, date unknown)
Walter Marchetti (Piano del papel higiénico, 1990)
Yoko Ono, John Cage (Music Walk, 1958)
Yoko One, Cut Piece (1964)
Albert Camus
The Myth of Sisyphus, Editions Gallimard (1942)
Arthur Jafa
Arthur Jafa in conversation with Hans Ulrich Obrist, (Interview, 2016)
Birgit Jul Fryd Johansen
Slave Schools in the Danish West Indies 1839–1853 (1988)
Bonnie Gordon
Voice Machines (2022)
Catherine Malabou
The Future of Hegel, Plasticity, Temporality and Dialectics (2004)
Dennis Duncan
Index, A History of the (2022)
Donna Haraway
The Companion Species Manifesto, Dogs, People, and Significant Otherness (2003)
When Species Meet (2007).
Douglas Kahn
Earth Sound Earth Signal (2013)
Dylan Robinson
Hungry Listening (2020)
Edmund Husserl
Origin of Geometry, Revue International de Philosophie (1939)
Francoise Vergés
Capitalocene, Waste, Race, and Gender (2019)
Gilles Deleuze and Felix Guattari
A Thousand Plateaus: Capitalism and Schizophrenia (1980)
(Danish translation)
Gilles Deleuze
Le Pli–Leibniz et le Baroque (1988)
Folden–Leibniz og Barokken (Danish translation 2016)
Jacob and Wilhelm Grimm (1812), Robert Browning (1912)
The Pied Piper of Hamelin
Karen Barad
Meeting the Universe Halfway: Quantum Physics and the Entanglement of Matter and Meaning (2007)
What Is the Measure of Nothingness: Infinity, Virtuality, Justice (2012)
Intra-actions
Mousse Magazine, interviewed by Adam Kleinman (2012)
Mark Fisher
Capitalist Realism (2009)
Marshall McLuhan
The Media is the Massage, Bantam Books (1967)
Nick land
Cybergothic, Virtual Futures (1998)
Pauline Oliveros
Quantum Listening (1999)
Sarah Ahmed
Orientations Matter (2010), Killjoy Manifesto (2017), Queer Phenomenology: Orientations, Objects, Others (2006)
Thomas Patteson and Deirdre Loughridge
Cat Pianos, Sound-Houses, and Other Imaginary Musical Instruments, (2015)
Ursula K. Le Guin
The Carrier Bag Theory of Fiction (1986)
Sarah Nicolls (Inside-out Piano)
https://sarahnicolls.com/intro-to-the-inside-out-piano/
Magda Mayas (Orchestrating Timbre)
https://www.researchcatalogue.net/view/382024/382025
Søren Kjærgaard (Multilayeredness in Solo Performance)
https://www.researchcatalogue.net/view/396330/546642
Ellen Kristine Ugelvik, Io Sivertsen (Puppets at the Piano)
https://www.researchcatalogue.net/view/2251090/2251091
Geoff Smith (The fluid piano)
https://www.dulcimer.co.uk/the-fluid-piano
Niels Lyhne Løkkegaard (SOUND X SOUND)
Niels Lyhne Løkkegaard (Music for the inner ear)
https://sites.pitt.edu/~dash/hameln.html
(visited numerous times. Latest visit June 27th, 2024)
(visited numerous times)
https://ridiculouslyinteresting.com/
(visited numerous times. Latest visit June 27th, 2024)
https://news.mit.edu/2018/just-drop-it-mit-baker-house-piano-drop-0524
(visited numerous times. Latest visit June 27th, 2024)
http://imaginaryinstruments.org/
Thanks to all the various (living human) multiplayers who have been a part of this project in one way or another, including the various softening ensembles; Ginte Presaite, Jógvan Joensen, Remy Gouffault, Cintia Gomez, Jekabs Reders, Margaux Oswald, Szymon Wójcik, Liliana Waszkiewicz, Isidore Jean-Christian Régis De Souza, Magnus Kudsk Rasmussen, viibra, Jan Høgh Stricker, Vilhelm from Vilhelms Musikværksted, Thomas Dyrholm, Mikkel Schou, Sól Ey, Helle Christiansen, Lone Meinich, Petrine Nielsen and Michaela Turcerová, the peer reviewers: Søren Kjærgaard and Carla Zaccagnini, my colleagues at RMC, and Esther, Erik and Lisa.
And of course, thanks to all the other multiplayers, human and more-than-human bodies in between matters and times and spaces, for being (non)present, perhaps manifesting or taking part in one or several ways at the same time(s).