The Adult Contemporary chart is published weekly by Billboard magazine and lists the most popular songs on adult contemporary radio stations in the United States. The chart is compiled based on airplay data submitted to Billboard by stations that are members of the Adult Contemporary radio panel. The chart debuted in Billboard magazine on July 17, 1961. Over the years, the chart has gone under a series of name changes, being called Easy Listening (1961–1962; 1965–1979), Middle-Road Singles (1962–1964), Pop-Standard Singles (1964–1965), Hot Adult Contemporary Tracks (1979–1982) and Adult Contemporary (1983–present).