The airplay music charts in South Africa are gathered and published by the company Entertainment Monitoring Africa (EMA) formerly known as Mediaguide South Africa. It is a member of the Times Media Group, under Entertainment Logistics Services (ELS). The company provides of a weekly top ten airplay chart which is available for viewing by the general public online. A top 100 is available for subscribed users of the company's website. The top 10 airplay chart starts from May 21, 2013 with its first number one single being "Blurred Lines" by Robin Thicke featuring T.I. and Pharrell Williams. It currently monitors 48 radio stations and 8 television stations.