Carlos Sandoval Mendoza (born 1956, Mexico City) is a Mexican/German freelance composer and multimedia artist mostly recognized for his work joining technology and a Gestalt approach to the art of music composition and performance. Michael Zwenzner describes him as a "Socio-critical magician of the extended-multimedia instrumental theater" Biography and Work Sandoval was born in an archetypal barrio in downtown Mexico city. Since his childhood he was exposed to harrowing social and cultural conditions which were later reflected in his work. He has lived in Mexico City (1956–64), Cuernavaca City (1964–78 and 1983–03), New York City (1979), Vienna (1980–82), Los Angeles California (1983) and Berlin, (2003–present). In 2009 he became a German citizen and now holds a dual Mexican-German passport/nationality. Having abandoned his studies at Escuela Nacional de Música UNAM 1976-79 (classical guitar and composition), Sandoval went on to study composition, analysis and theory, privately, with Julio Estrada (1985–90). He also assisted and took part in private sessions with a number of composers, including Brian Ferneyhough, Joji Yuasa, Peter Garland, Lorenc Barber, Leo Brouwer, François Bernard Mâche, James Tenney, Stefano Scodanibio and Iannis Xenakis. Sandoval is among a few active Mexican composers of his generation who did not receive education primarily in Europe or the US and have no formal degree in composing. He did however, eventually take up studying in Europe, where he learnt Piano tuning and construction at the Bösendorfer Klavier Fabrik in Vienna (1980–82). This stint, rather than the "Vienna School") changed his outlook on music in general. Later on As photo- and videographer he studied with Fabri (Austria), Sirgo (Mexico) and Fathi (Berlin). His work has been shown mostly in Germany but also in Mexico, France, UK and The Netherlands. Since 1999, with no interruption, he has been fellow of the SNCA which is one of the highest recognitions awarded to Mexican artists by the Mexican Government. He also worked as an assistant to Conlon Nancarrow (1991–94). He has been invited to take part numerous events and contemporary music festivals such as Darmstadt Summer Courses (1990 Germany), Donaueschinger MusikTage (1994 and 2016, Germany) and the Huddersfield Contemporary Music Festival (2009, UK, headlining), among others. He is an author of multiple articles and essays about music. Early Work – Estradian-Xenakian period (1987-1990) His early work can be identified with Julio Estrada's Techniques and the Xenakian school and includes the use of Cartesian graphics representing sonic trajectories and its