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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.〔Hyatt, Wesley (1999). ''The Billboard Book of Number One Adult Contemporary Hits''. New York City: Billboard Books. ISBN 978-0-823-07693-2.〕 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). ==Chart history== The ''Billboard'' Easy Listening chart, as it was first known, was born of a desire by some radio stations in the late 1950s and early 1960s to continue playing current hit songs but distinguish themselves from being branded as "rock and roll" stations. ''Billboard'' had written articles about this trend during the time, and the magazine’s editors decided to publish a separate chart for these songs beginning in 1961. The magazine offered an "Easy Listening" programming guide beginning January 9, 1961, which continued until the numbered chart appeared in July. The first No. 1 song on the ''Billboard'' Easy Listening chart was "The Boll Weevil Song" by Brook Benton.〔 From 1961 to 1965, this chart was compiled from the ''Billboard'' Hot 100 chart by removing songs that were deemed rock and roll by the magazine and re-ranking the remaining songs. Beginning in 1965, the Easy Listening chart would begin to be compiled by a method similar to the one used for other ''Billboard'' singles charts: reported playlists from radio stations airing the format as well as sales data submitted by record stores. By the early 1990s, automatic song detection and barcode sales information had begun to be the norm for most of the ''Billboard'' charts, and currently the Hot Adult Contemporary Tracks chart is compiled in much the same way as for other radio formats. The chart was known as the Easy Listening chart until 1962, when it was renamed Middle-Road Singles. In 1964, the name changed again, this time to Pop-Standard Singles. After alternating the name of this chart twice more in less than a year, Easy Listening was again chosen as the chart name in 1965 when the change in compilation occurred. In April 1979, the Easy Listening chart officially became known as Adult Contemporary, and those two words have remained consistent in the name of the chart ever since. In 1996, ''Billboard'' created a new chart called Adult Top 40, which reflects radio station programming that exists somewhere between "adult contemporary" music and "pop" music. Although they are sometimes mistaken for each other, the Adult Contemporary chart and the Adult Top 40 chart are separate charts, and songs reaching one chart might not reach the other. In addition, the term "hot AC" refers to another subgenre of radio programming that is distinct from the Adult Contemporary chart, despite the apparent similarity in name. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Adult Contemporary (chart)」の詳細全文を読む スポンサード リンク
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