In film, Keszler has composed over ten original scores. Notable examples include Olmo Schnabel’s Pet Shop Days (2023), starring Willem Dafoe and Emmanuelle Seigner, which premiered at La Biennale di Venezia; Lofty Nathan’s Harka (2022), winner of the Best Actor award at Cannes; and Dasha Nekrasova’s The Scary of Sixty-First (2021), recipient of the GWFF Best First Feature Award at the Berlin Film Festival. He also contributed to Daniel Lopatin’s score for the Safdie Brothers’ Uncut Gems (2019). His recent work includes Bad Shabbos, featuring Kyra Sedgwick and Method Man, as well as Bunnylovr, starring Rachel Sennott.
As a composer, Keszler has been commissioned by renowned institutions and ensembles including the Icelandic Symphony Orchestra, ICE Ensemble, Brooklyn String Orchestra, and So Percussion. His collaborative work spans a wide range of artists such as Oneohtrix Point Never, Skrillex, Laurel Halo, Jordan Wolfson, Kevin Beasley, Rashad Becker, Laure Prouvost, and David Grubbs.
Keszler’s artistic reach extends internationally, with his music, installations, and visual works presented at institutions including the Whitney Museum, Cologne Philharmonie, Lincoln Center, MIT List Center, Victoria & Albert Museum, Museum of Modern Art, Sculpture Center, The Kitchen, Hessel Museum, Harvard’s Carpenter Center for the Visual Arts, Barbican–St. Luke’s, Walker Art Center, LAXART, and MoMA PS1.