Eric Moo Chii Yuan (born 9 February 1963), better known as Eric Moo or Wu Qixian, is a Malaysian Chinese award-winning singer-songwriter and record producer.

Moo studied in Shu Qun Primary School, The Chinese High School and Jurong Junior College in Singapore. He started his first band, "Subway Band" (地下铁), in high school and began performing on stage in 1983. A year later, he released his first album, which topped Singapore's record charts for Mandopop. Subsequently, he launched his singing career in the Taiwan. Since then, Moo has released more than 40 albums in Mandarin and Cantonese, and performed in over 40 concerts.

During the 1980s and 1990s, Moo was part of the xinyao movement and his peers included Lee Wei Song, Lee Shih Shiong, Billy Koh and Liang Wern Fook. One of his more memorable songs is "Kopi O" (咖啡乌), which he performed himself for the popular SBC 1985 drama series The Coffee Shop. At the Star Awards 2007 anniversary special, he revealed that he had insisted on using the term "kopi o" in its original Hokkien rather than transliterating it into Mandarin according to the Speak Mandarin Campaign regulations.

In early 2006, Moo shifted his focus to the mainland Chinese market. He was a judge on four Chinese singing competition TV shows, Super Girl, Happy Girl, The King Returns and Voice Legend.

He held a controversial concert on 27 May 2012 at Suntec City. After having the understanding by the show's organisers that it was an evangelical concert, he sang only two of his own songs and decided to spread Christianity for the rest of his concert, sparking fury in many fans young and old who was not informed that it was an evangelical event. The concert organisers later offered refunds.

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