The ALEPH guitar quartet is considered the most renowned guitar ensemble in contemporary music. The quartet will be showcasing pieces which have been written especially for them and provide an impression of how unconventional innovation is facilitated in virtuoso style by four guitars. Founded in 1993, the quartet has made a name for itself as an ensemble making a crucial contribution to the creation of a contemporary repertoire for four guitars. In close collaboration with the four guitarists Andrés Hernández Alba, Tillmann Reinbeck, Wolfgang Sehringer and Christian Wernicke, countless composers explore the acoustic possibilities of this line-up. The ALEPH guitar quartet collaborates closely with the ZKM | Institute for Music and Acoustic and is financially supported by the Cultural Office of the city of Karlsruhe, the state of Baden-Württemberg and the Spanish Ministry of Culture.