That was Adam Cheng, Joyce Cheng's dad, Lydia Shum's exhusband. The song is 笑看風雲, I would say about 10 years old, theme song of a TVB drama series, I think by the same name but not 100% positive. He starred in it.
Sichuan Earthquake 2008 Charity Show Part 1 - Part 1 has been reuploaded. When it gets deleted, it's not in my main folder anymore.