Hacken Lee
About 20,000 performances were set to be staged between 1 May and 31 October in 2010, many singers present at the expo song writing and preparation process since 2008. Performers included Alan Tam, Gigi Leung, Stephanie Cheng, Khalil Fong, Hacken Lee, Denise Ho, Hins Cheung, Vincy Chan, Philadelphia Boys Choir, National Boys Choir of Australia, Salut Salon, the Cross Border Orchestra of Ireland and the Harvard Din &amp; Tonics, and others.