Composer and improviser, Guillaume Contré followed the acousmatic composition classes in the conservatory of Perpignan (South of France). Member of Motus and of the Futura festival, he is an interpreter on the acousmonium of acousmatic works. He is playing in the minimalist electro-acoustic improvisation trio SAP(e) (collaborations with Bernhard Günter, Sylvain Chauveau, several records released…). Under the name of Rayuela, he produces electronic music, and he was able to sign his pieces on diverse international labels (Archipel, LesIzmo:r). He was a member for several years of the rock band Absinthe (Provisoire), with whom he recorded an album in Chicago in 2002.