 The channel's musical signature is the Elmer Bernstein composed theme that has also appeared on the "National Geographic" broadcast-TV specials.The channel is owned by the NGC-UK Partnership, which was formed in 1997 as a joint venture between National Geographic Television & Film, a division of the National Geographic Society and British Sky Broadcasting through its Sky Ventures division.The NGS provides programming expertise, while BSkyB provides its expertise on distribution, marketing, commercial and advertising sales.