Cécile Broché studied classical music, contemporary music, improvisation, and took jazz courses. She graduated at the Conservatory of Liège and Brussels (Belgium), where she got a First Prize of Violin and a First Prize of Chamber music.

As a violinist, Cécile Broché has been involved in many different projects, including contemporary music ensembles, free music, working with dancers, with actors, with jazz musicians featuring strings and solo performances. For five years , she has been leading Resonance, a youth orchestra that toured in Belgium and France with Baroque and contemporary repertoire.

As a teacher, she has developed a pedagogical concept nourished by her various experiences, where one encounters improvisation, creativity, and composed music (workshops).