Michael Brook is a Canadian guitarist, inventor, producer, and film music composer familiar with many disciplines including rock, world music, minimalism and film scores. He is perhaps most famous for his sonic contribution to U2's multimillion-selling 1987 album The Joshua Tree in the form of his invention, the Infinite Guitar. He was nominated for a Grammy Award in 1996 for his production work and as a co-artist on Pakistani singer Nusrat Fateh Ali Khan's album Night Song.

Mr. Brook has produced albums for Mary Margaret O'Hara, Jane Siberry, Youssou N'Dour, The Edge, The Pogues, Hukwe Zawose, and many others. He has also written for a number of film soundtracks including Albino Alligator, Affliction, An Inconvenient Truth, Who Killed the Electric Car and Sean Penn's critically acclaimed Into the Wild, for which Mr. Brook was nominated for a Golden Globe Award.

He has recently composed the scores for The Fighter, starring Mark Wahlberg and Christian Bale and Country Strong, starring Gwyneth Patrow and Tim McGraw.