Liu Huan
Brightman is the first artist to have been invited twice to perform the theme song at the Olympic Games, first at the 1992 Barcelona Olympic Games where she sang "Amigos Para Siempre" with the Spanish tenor José Carreras with an estimated global audience of a billion people, and 16 years later in 2008 in Beijing, this time with Chinese singer Liu Huan, performing the song "You and Me" to an estimated four billion people worldwide.