The two-minute track, (Remixed to 2:18) which has been heard by fans of the Olympics on BBC TV, Radio 5 Live and online.
The music, which features in an animated campaign produced by Damon Albarn and Jamie Hewlett - the team behind Gorillaz - twists the tale of the classical Chinese novel "Journey to the West", turning it into a "Journey to the East" for this year's Games in China's capital.
There are 20 instruments on the audio track which accompanies the "Journey to the East" animation - the most unusual being Chinese instruments like the Pipa, Ur Hu, and Zheng. Thirty-eight people sang in the Chinese choir, but their voices were "doubled up" in the recording studio to sound like 76 singers.
Listen out for the female vocal line sung by a character called Guan Yin, who is a goddess of good fortune. Her melody is then played by the Er Hu and the strings. Towards the end of track she sings the same melody, but at double the speed.
The Chinese singer is called Jia Ruhan. She sings in Mandarin Chinese.
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