She is known for the films Gerhard Richter Painting (2011), Peter Handke: In the Woods, Might Be Late (2016) and Inside the Uffizi (2021).
In 2017, Richter and Belz developed the abstract film Moving Picture (946-3), for which Steve Reich wrote the composition "Reich/Richter".
[2] The piece was performed in New York City in 2019 by Ensemble Signal, at the Barbican Centre in London, Philharmonie de Paris and other European venues.
Performances at the Walker Art Center, Soundstream Festival Toronto, Walt Disney Concert Hall and by the London Sinfonietta[3] to follow in 2023.
Belz’ feature length documentary I Am Not Alone[9] about the German sculptor Thomas Schuette had a theatrical release and toured international Film Festivals in 2023.