The works of Álvarez-Fernández have been presented in several venues in Europe and America, including the Museo Nacional Centro de Arte Reina Sofía, the National Auditorium of Music and the Residencia de Estudiantes in Madrid, the Technical University of Berlin, The Huset gallery in Copenhagen, Harvard University, New York University, the Eyebeam Gallery in New York and O'culto da Ajuda in Lisbon, among many others. He has also composed music for different audiovisual productions, including the film "A via láctea", by Brazilian director Lina Chamie, premiered at the Cannes Film Festival in 2007. As a musicologist and sound-art theorist, Álvarez-Fernández has lectured in Spain, Germany, Italy, France, Denmark, Sweden, Macedonia, Serbia, Lithuania, Russia and the United States, among other countries. His work as a sound-art curator is widely recognized in Spain. For the project "Itinerarios del sonido" fourteen internationally recognized artists were invited to Madrid, in order to create a new sound piece that later would be listened to in specific bus-stops around the city. Participants of this project included Vito Acconci, Jorge Eduardo Eielson, Julio Estrada, Luc Ferrari, Bill Fontana, Susan Hiller, Christina Kubisch, Adrian Piper and Trevor Wishart, among others. In 2007, Álvarez-Fernández curated in Berlin "Offener Klang / Sonido Abierto" as part of the "Linux Audio Conference", with concerts and workshops at the Technical university and at the Instituto Cervantes Berlin. In April 2011 he curated, along with Chema de Francisco and Rubén Gutiérrez del Castillo, the "SON" Festival, which presented for the first time at the Auditorio Nacional de Música the newest generation of Spanish sound artists in a series of concerts, performances and sound installations. Also in 2011, Miguel Álvarez-Fernández received the IV "Cura Castillejo" prize, awarded at the Nits de Deshielo i Art Festival, organized in Valencia by sound artist Llorenç Barber. In 2015 he directed, in collaboration with Luis Deltell, the feature-length documentary "No escribiré arte con mayúscula", devoted to the life and works of Spanish pioneer of conceptual artIsidoro Valcárcel Medina, premiered at the Festival Punto de Vista. In 2008 Miguel Álvarez-Fernández became host at Radio Clásica/Radio Nacional de España for the weekly radio broadcastArs Sonora, a cult program devoted to sound art and experimental music.