As a popular TVB actor, Wong signed a recording contract with Avex Trax. In 2001, Wong released his debut EP, "Xi Xin Chang Ge" (喜新唱歌), featuring "Love is the Sea," the ending theme song from "A Matter of Customs". With the success of his debut EP, Wong released his debut album "I Believe...Wong He" in February 2002. In September of the same year, Wong released another album "Call Me in the Morning". In addition, he sang the theme songs for several of his TV series, "Doomed to Oblivion", "Net Deception", "Shades of Truth", and "Twilight Investigation".