Wax (Korean: 왁스) (born as Cho Hye-ri on 31 May 1976) is a popular South Korean singer. Before her debut, 왁스 was the lead vocalist of a band called "Dog" in the year 1998. She made her debut in the professional music scene singing the song "Oppa" which was a re-made version of Cyndi Lauper's "She Bop". Her debut album, "Oppa", released in November 2000 managed to showcase her singing talent and it spawned a number of hits like "Mother's Diary", "Oppa", and ”The Reason You Left Me" remaining on the charts for weeks.