Shin Hye-sung and Trent Reznor, have which mutual occupations?
Shin Hye-sung: Jung Pil-kyo (born November 27, 1979), better known by his stage name Shin Hye-sung, is a South Korean singer-songwriter. Trent Reznor: Michael Trent Reznor (born May 17, 1965) is an American singer, songwriter, musician, record producer, and film score composer.
singer, songwriter