Therapeutische Hörgruppe Köln was founded in 2008 by Tobias Beck, Volker Hennes, Svann Langguth and Dirk Specht. At the end of 2009, the group expanded to include Tobias Grewenig. The focus of their joint work is the development and implementation of conceptual methods in the fields of sound art and electroacoustic music. In installations, performances and concerts, site-specific characteristics are preferably investigated, integrated and thematically developed in the works. Of particular interest to the group is the relation between sound event, listener position and auditory perception phenomena.