Peppertones (Hangul: 페퍼톤스), is a Korean electronic/house duo formed in 2003 by JaePyung Shin (aka Sayo) and JangWon Lee (aka Noshel). Shin and Lee were both Computer Science majors at KAIST in Daejeon, South Korea.The group's first EP album "A Preview" was released in March, 2004. Sayo and Noshel are stage names they used during their early days. In 2009, JangWon Lee earned his master's degree at KAIST Business School and worked as an internship of Mirae Asset finance group.