The Marching Band (French: En Fanfare) is a 2024 French drama film directed by Emmanuel Courcol from a screenplay by Courcol, Irène Muscari, Oriane Bonduel and Marianne Tomersy.

The film stars Benjamin Lavernhe and Pierre Lottin as long-lost brothers.

[1] When acclaimed orchestra conductor Thibaut (Lavernhe) is diagnosed with leukemia, a DNA test to find a bone marrow donor reveals that he is adopted.

Thibaut meets his biological brother Jimmy (Lottin), a factory worker who plays trombone of a local marching band in Lille.

When the band loses its conductor, Thibaut steps in as replacement, and the brothers learn more about the circumstances that shaped each other's lives.