Voice of Earth is Chinese singer alan debut Japanese-language album released by Avex Trax. The album contains the eight singles alan has released from 2007 to 2009. The album was released on March 4, 2009 in Japan. Natsukashii Mirai: Longing Future" was used as the theme song for NHK special, Save the Future, for World Environment Day. Her sixth single "Red Cliff: Shin-Sen" was used to as the theme song for the movie Red Cliff. An alternate version of the song was used to promote the Japanese re-release of PlayStation 2 game Dynasty Warriors 6. The song "Liberty", is being used as the theme song for Japanese drama, Hikon Dōmei (非婚同盟, lit. Non-Marriage Alliance?), which aired on Tokai TV. The song "Tsuki ga Watashi" was used in the commercials for the pachinko chain Minho Group. "Gunjō no Tani" is being used as the ending theme song for Japanese information program, Miyaneya (情報ライブミヤネ屋, lit. Live Miyaneya Store Information?), which airs on Yomiuri TV. If the customer ordered Voice of Earth via Tower Records, they would have received a special separate CD that contained a new version of Red Cliff: Shin Sen. This was titled as "Red Cliff: Shin Sen (Modern Rock Version). User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.