5 Things to Know About "Fratres" in There Will Be Blood

Arvo Pärt’s “Fratres (For 12 Cellists)” is the piece used prominently in the film. It appears during key scenes, including the opening sequence.

The composition is minimalist and repetitive, built on a slow, meditative chord progression. This creates a tense, unsettling atmosphere that mirrors the film’s themes of greed and isolation.

Anderson chose the piece for its emotional weight and structural simplicity. It contrasts sharply with the film’s harsh, industrial soundscape.

The piece is performed by 12 cellists, giving it a deep, resonant texture. This arrangement amplifies the sense of dread and inevitability.

“Fratres” is one of Pärt’s most famous works, often used in film and television. Its use in There Will Be Blood cemented its association with cinematic tension.