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National Geographic Channel, also commercially abbreviated and trademarked as Nat Geo, is an American subscription channel, that airs non-fiction television programs produced by the National Geographic Society and other production companies. Like History and the Discovery Channel, the channel features documentaries with factual content involving nature, science, culture, and history, plus some reality programming. The channel is owned primarily by Fox Cable Networks, a division of News Corporation. Its primary sister network worldwide, including the United States, is Nat Geo Wild, which focuses on animal programming, including the popular Dog Whisperer with Cesar Millan.
The National Geographic Channel's signature theme fanfare music, which is played at the beginning of many of the channel's television programs, is composed by Elmer Bernstein. Many variations have been done to the theme music over the years.