Na Ying
On 19 March 2004, Liu held the first concert in his 19-year career at the Capital Indoor Stadium, Beijing, called "Huange 2004" (欢歌2004). Other singers included Na Ying, Sun Nan, Sha Baoliang and Warren Mok. In 2006, Liu held his second concert in the Shanghai Indoor Stadium, with fellow singers Na Ying, Sun Nan, Warren Mok and Song Zuying present as guests. On 3 July 2007, Liu, Liao Changyong and Warren Mok held a "Zhenhan" music concert in the Great Hall of the People, Beijing. The singers introduced a blend of popular and classical music in their performance. On 8 August 2008, Liu appeared in front the international audience when he performed the official theme song "You and Me" with British singer Sarah Brightman at the 2008 Summer Olympics Opening Ceremony in Beijing.