Paul Wong Koon-chung (born 黃貫中; 31 March 1964), is a Hong Kong musician, singer, songwriter and record producer. He achieved fame in Asia as the lead guitarist of the rock band Beyond until the band disbanded in 2005. Paul Wong Koon-chung (born 黃貫中; 31 March 1964), is a Hong Kong musician, singer, songwriter and record producer. He achieved fame in Asia as the lead guitarist of the rock band Beyond until the band disbanded in 2005.