Lou Kilger’s body of work includes instrumental-electronic, music-theatrical, installation-based, and interactive compositions, video walks, and digital formats utilizing 3D audio and virtual reality. Kilger has received commissions for the Göttingen Symphony Orchestra, ensemble mosaik, Ensemble Recherche, Ensemble Musikfabrik, and many others—as well as for festivals such as the Munich Biennale, the Donaueschingen Music Days, ECLAT, and the Witten Days.

In 2024, Lou Kilger was selected by the German Music Council’s Edition "Zeitgenössische Musik" for the production of a portrait CD. Since 2023, Lou has been a “Professor of Composition and Sound Design for Digital Media” at the Detmold University of Music.

Lou Kilger was awarded the residency fellowship at the Künstlerhaus Bamberg by Bavarian State Minister Markus Blume at the suggestion of Villa Concordia Music Fellowship Board members Marcus Rudolf Axt, Director of the Bamberg Symphony Orchestra, Imke List, Ernst von Siemens Music Foundation and Prof. Rainer Kotzian, President of the Nuremberg University of Music. They will compose there for 11 month from mid-April through mid-March 2027.