André Stordeur, born on March 1, 1941, in Haine St Paul, Belgium, was an electronic music composer. He established his own electronic music studio, Studio Synthèse, in Brussels in 1973. Stordeur began his professional musical career in 1977 with a tape composition for the soundtrack to the film Office Baroque. In the late 1970s, he participated in the avant-garde music ensemble Studio voor Experimentele Muziek (S.E.M.). He released his solo album 18 Days (1979) and composed the piece "Phraséologie" (1979) in collaboration with Paul-Baudouin Michel. Stordeur composed the music for Christian Mesnil's documentary Du Zaïre au Congo in 1981. He studied at IRCAM with David Wessel in 1981 and later with Morton Subotnick in the US. He became an influential sound synthesis teacher, completing his guide Art of Analog Modular Synthesis by Voltage Control in 1997. He also contributed a track to the album Serge Modular Music: Now (2004) and appeared on a version of "Tre Canti Popolari" (2009). Stordeur passed away on April 7, 2020.