Schwelle is a collaboration between artists and researchers from cultural and scientific institutions in Canada, Germany, Holland, China, and the USA.

Concept/Direction: Chris Salter

Part I
Premiere: Elektra Festival, Montreal, QC, Mai 2006
Concept/Direction/HD Video/Sound: Chris Salter
Collaboration Sound: Daniel Moody-Grigsby and Philip Viel

Part II
Premiere: Tesla/Transmediale 2007, Berlin, February 2007
Concept/Direction: Chris Salter, in collaboration with Michael Schumacher
Dramaturgy: Heidi Gilpin
Lighting Design: Lea Xiao

Lighting Interaction Design: Harry Smoak

Sound Design and Programming: Marije Baalman, Daniel Moody- Grigsby, Chris Salter, Philip Viel
Interaction Design/Sensing Systems: Marije Baalman
Objects: Thomas Spier, Flora Luna
Production Stage Manager/Technical Director: Harry Smoak
Production Assistants: Daniel Wessolek, Alexander Wilson, Brett Bergmann


Chris Salter (US/CA/DE)

Chris Salter received his PhD in the areas of theater and computer-generated sound at Stanford University. His research and artistic practice investigates the role of real time sound, image and technologies of interaction within the context of responsive environments and new forms of theatrical performance and he is widely acknowledged as one of the experts in this growing field. He was awarded the Fulbright and Alexander von Humboldt Chancellor grants for research/work in Germany between 1993 -1995. After collaborating with Peter Sellars and William Forsythe/Ballett Frankfurt, he co-founded the art and research organization Sponge. Salter’s work has been shown internationally at venues such as Ars Electronica, Transmediale, Villette Numerique, V2, Dance Theater Workshop/New York and SIGGRAPH, has been featured in publications such as The New York Times, ID and Leonardo magazines and has received funding from the Daniel Langlois Foundation, the Rockefeller Foundation, the Creative Work Fund, the Goethe Institut and the LEF Foundation, among others. Salter has given invited talks at such venues as the Banff Center for the Arts, Ars Electronica, ZKM, Brown University, Stanford University, Goldsmiths College, Amherst College, the Rhode
Island School of Design, Transmediale, HfG Karlsruhe, Concordia University, SubtleTechnologies-Toronto, SLS-Paris, NIME 03-Montreal, UdK-Berlin, Elektra and e-Culture, Amsterdam, among many others. He is currently working on a book focusing on the history of technology and performance over the 20th-21st centuries to be published by MIT Press in 2007. He has been visiting professor in music, grad studies and digital media at Brown University and the Rhode Island School of Design (RISD) and is currently Assistant Professor in the Department of Design and Computation Arts at Concordia University in Montreal, Canada where he also is a researcher in the Interactive Performance and Sound axis of the Hexagram Institute for Research/Creation in the Media Arts.


Michael Schumacher (US/NL)

Michael Schumacher danced professionally with William Forsythe’s Ballett Frankfurt for 6 years and with Twyla Tharp, the Feld Ballet, and the Pretty Ugly Dance Company. He has also danced as a guest artist in Peter Sellars’ productions of Stravinsky’s Bijbelse Stukken for the Holland Festival, Peony Pavilion and John Adams’ El Nino at Theater du Chatelet, San Francisco Opera, Brooklyn Academy of Music and other sites and Kaija Saariaho's La Passion de Simone. He has danced in productions with Dana Caspersen, Sylvie Guilliem, Anouk van Dijk, Mark Haim, Mikayo Mori, and Paul Selwyn Norton. As a choreographer Schumacher has twice collaborated with the dancers of Ballet Frankfurt, creating Splendor Shed (1990) and Blender Head (1994). With his brother Steven, he created Unwrapped (1995), a solo dance event that he performed in Germany, the Netherlands and the U.S. In collaboration with Daniela Grasa, Marcelo Evelin, and Anat Geiger, he created ANDAMAMI (2000) and Glashuis (2001). For the dancers of Nederlands Dans Theater III, he conceived and directed The Moment (2001). As part of Richard Move' s MARTHA @ Holland Dance Festival, he choreographed and performed the solo Michael Schumacher (2001). In collaboration with cellist and composer Alex Waterman, he created and performed the duet Heaven Is A Radio (2003). Schumacher has also been featured in the film Ademkristal (1999), by Ruth Meyer, and in the motion-capture installation Possible Side Effects (1999), by Yvonne Fontijn. More recently Schumacher was featured at the Holland Dance Festival in Piping Hot Hutspot (2003), a series of improvised duets with Han Bennink, Cor Fuhler and Wilbert de Joode. Schumacher began dancing in musical theatre productions in his hometown of Lewiston, Idaho. After moving to New York, he received a B.F.A. in Dance from the Juilliard School. He currently resides in Amsterdam.


Heidi Gilpin (US)

Heidi Gilpin is Associate Professor of performance studies, electronic arts, architectural studies, cultural theory, and multidisciplinary studies in the German Department at Amherst College in Amherst, Massachusetts. Until 2000, she was an Associate Professor in the Department of Comparative Literature and Cultural Studies at the University of Hong Kong, and since 1991 was on the graduate faculty at the University of California at Riverside. She holds a Ph.D. in Comparative Literature from Harvard University. From 1989-1996 she worked in Frankfurt, Germany as the dramaturg for choreographer William Forsythe and the Ballett Frankfurt, where they developed strategies of movement research involving architectural principles and interactive technologies. She was the founding director of the Institute for New Dramaturgy, organizing and teaching multidisciplinary workshops and colloquia on issues of composition for the performing arts and architecture in Eastern and Western Europe. At the University of California at Riverside, Gilpin was instrumental in establishing the first international multidisciplinary Ph.D. program in Dance History and Theory. She has lectured and published internationally on contemporary European performance genres, with a focus on the interdisciplinary terrain created by scholars and artists working in the areas of technology, architecture, performance, trauma, and critical theory. For the opening of the ZKM Center for Art and Media Technology in Karlsruhe, Germany in 1997, Gilpin was invited to create an interactive performance/web piece entitled “My Space - Your Place.” Gilpin is currently completing a book, Architectures of Disappearance, which addresses issues of composition, corporeal perception, and trauma in performance, new media, and architectural work. She is also editing a collection of essays entitled The Senses in Motion. Both books are forthcoming from MIT Press.


Lea Xiao (CH/US)

Lea Xiao is one of China's leading lighting designers. She is a graduate of the Shanghai Theater Academy and recently completed her MFA in lighting design at Yale School of Drama where she studied under Jennifer Tipton. She is the recipient of numerous awards for lighting design in China, is a lecturer at Shanghai Theater Academy and a representative of the Chinese lighting design committee in Shanghai. Shao's extensive lighting design credits include theater and dance pieces for Mabou Mines, Theatre Works in Singapore, Shanghai People Art Theater, Shanghai Kun Opera, Shanghai Theater Academy, Yin Mei Dance, Jin Xing Dance Company and seven shows produced by Yale School of Drama.


Marije Baalman (NL/DE)

Marije Baalmaan studied Applied Physics at the Technical University in Delft and graduated in February 2002 on the topic of Perceptual Acoustics. In 2001/2002 she also followed the Sonology Course at the Royal Conservatory in The Hague. Currently she is a researcher in the Electronic Studio of the Technical University of Berlin into the application of Wave Field Synthesis for the composition and live performance of electronic music. She composes and performs piano and electronic music, under the pseudonym “mobs.”


Harry Smoak (US/CA)

Harry Smoak received his Masters of Science in Human Computer Interaction at the Georgia Institute of Technology and GVU Center, and a Bachelor of Arts in Theatre (with a focus on design, semiotics of the arts, and media arts) from the University of South Carolina in the United States. Since 2005, he has worked as researcher, designer and graduate student at the Topological Media Lab in Montréal (Quebec) Canada. Following 10 years of work in the Internet and Communications industries, in 2005 Harry changed the focus of his work to pursue research and creative projects combining theoretical and practical interests in performance, media and technology. He is currently working towards a PhD in an individualized program at Concordia University in Montréal, combining research and practice in computational media systems for interactive performance, live events, and architectural applications. His creative work has been shown in Canada, Europe, and the United States.