En.expo2010.cn. "En.expo2010.cnArchived 9 March 2012 at the Wayback Machine." Hong Kong musicians invited to write Expo tunes. Retrieved on 17 May 2010.
En.expo2010.cn. "En.expo2010.cnArchived 9 March 2012 at the Wayback Machine." Hong Kong musicians invited to write Expo tunes. Retrieved on 17 May 2010.