The Strophonion is an electronic instrument which was developed and built by STEIM, Amsterdam from 2010 until 2011 for Alex Nowitz. It belongs to the instrument group, that is usually subsumed under the term live-electronics using gestural controllers.
The official premiere of the instrument took place at the LIG Art Hall in Seoul/Korea on November 5, 2011 during the festival Sound Triangle, a collaboration of STEIM and LIG.
For more infos about the development of the Strophonion see:
The original video of this clip was made by Niklas Rydén at the Atalante in Gothenburg on October 29, 2011 during Alex Nowitz' solo show Homo Ludens at the Varia-Festival, curated by Lisa Petterson.