2 Unlimited is a Dutch dance act founded by Belgian producers Jean-Paul De Coster and Phil Wilde in 1991 in Amsterdam, Netherlands. Dutch rapper Ray Slijngaard and Dutch vocalist Anita Doth fronted the act from 1991 to 1996. During the five years of 2 Unlimited's worldwide mainstream success, the act scored a total of 16 chart hits, including "Get Ready for This", "Twilight Zone", "No Limit", and "Tribal Dance". They have sold 18 million records worldwide. Although they enjoyed less mainstream recognition in the United States, many of their songs have become popular themes at American sporting events, particularly in the NHL and the NBA.