The film composer duo has been working together since 2019. Together, they have composed music for projects such as Tatort, Der Barcelona Krimi and Blutige Anfänger.

For their music for Tatort: Propheteus, both were nominated by the German Academy of Television in the music category in 2022.

In 2024, they jointly took on a teaching position in film music at the Berlin University of the Arts.

In addition to their work for film and television, Biegai & König pursue their own artistic projects.