2000年悉尼奥运会闭幕式歌曲We'll Be One is a pop song performed by Nikki Webster at the 2000 Summer Olympic Game's Closing Ceremony. It was written by Kylie Foster and Philip Turcio, produced by Chong Lim and is featured on the 2000 Summer Olympic Game's Closing Ceremony soundtrack. It was released in October 2000 as a CD single in Australia. The song is about all the nations coming together and becoming one.