Geoffrey Zanelli (born September 28, 1974) is an American composer working primarily in the medium of film, television, and video game scores. His early career was notable for scoring additional music on roughly 30 film scores written by Hans Zimmer, John Powell, Harry Gregson-Williams, Danny Elfman, and Steve Jablonsky, including several blockbuster films. He has since moved on to more solo work, winning a Primetime Emmy Award for Outstanding Music Composition for a Limited Series, Movie, or Special for his score to the miniseries Into the West.

Aside from film and television scores, Zanelli also collaborates with recording artists, writing arrangements for Steve Martin, Edie Brickell, Robbie Williams, The Webb Sisters, Mest, and Story of the Year. He is credited as a guitarist/bassist/keyboardist on the song "I'm Not Dead" from recording artist Pink.

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