Park Hyo Shin (박효신, born 1 December 1981) is a South Korean singer. Park has a deep, husky voice and has been hailed by many as one of Korea's greatest singers. Park was educated at Kyung-hee University and majored in post-modern music. In November 1999, he debuted with "Things I Cannot Do For You", followed up by "Fool". The songs became hits. Later, Park actively performed in various events like participating in the musical Rock Hamlet, a tribute album for Deulgukhwa, That Only Is My World and a duet with Lee Sora on her 4th album.