Eyewitness is a British nature and science television series produced by the BBC and DK Vision. The series is based on the bestselling series of Eyewitness Books by Dorling Kindersley, which still continues to this day. Guy Michelmore composed the series` opening and ending themes, as well as the score for each individual episode of Season 1, with Guy Dagul writing the score for each individual episode of Seasons 2 and 3, respectively. Dagul`s scores for season 3 also incorporated stock music tracks and cues by Dick DeBenedictis.