Jeong Hyeon-cheol, better known as Seo Taiji or Seo Tae-ji (서태지), is a South Korean singer, musician, songwriter and record producer. After dropping out of high school to pursue a music career, he rose to become one of the most prominent and influential cultural icons in South Korea, with many referring to him as "the President of Culture".

Jun Onose , better known by his stage name J, is a Japanese musician, singer-songwriter and record producer. He is best known as bassist and co-founder of the rock band Luna Sea since 1986. After they disbanded in 2000 he focused on his solo career, for which he performs lead vocals and bass. He rejoined Luna Sea when they reunited in August 2010.