Sonja Horlacher born 1984 in Eutin, northern Germany, studied flute with Angela Firkins in Lübeck and a specialized master in contemporary music with Mike Svoboda in Basel. Sonja is interested in various kinds of music and performs a wide range of styles: ancient music, classical, contemporary, free improvisation and rock. A special dedication of hers is the microtonal repertoire, which she keeps exploring on her instrument.

She has collaborated with composers such as G.F. Haas, Bernhard Lang, Manfred Stahnke, Anne La Berge and played at international festivals, among them the Lucerne Festival, Festival Rümlingen, Musikfest Bremen, Chiffren-Kieler Tage für Neue Musik, Off-Festival Donaueschingen and November Music (NL).