The links on this page contain lists of songs that have reached number-one on the Billboard

Billboard (magazine)

Billboard is a weekly American magazine devoted to the music industry, and is one of the oldest trade magazines in the world. It maintains several internationally recognized music charts that track the most popular songs and albums in various categories on a weekly basis...

adult contemporary chart. This chart was first printed in Billboard magazine in 1961 and lists the most popular songs as determined by airplay on American adult contemporary music

Adult contemporary music

Adult contemporary music is a broad style of popular music that ranges from lush 1950s and 1960s vocal music to predominantly ballad-heavy music with varying degrees of rock influence, as well as a radio format that plays such music....

 radio stations. Over the years, the chart has gone by a variety of names, including Easy Listening, Middle-Road Singles, Pop-Standard Singles, Adult Contemporary and Adult Contemporary Singles, and it is currently referred to as the Hot Adult Contemporary Tracks

Hot Adult Contemporary Tracks

The Adult Contemporary chart is a weekly chart published in Billboard magazine that lists the most popular songs on adult contemporary and "lite-pop" radio stations in the United States...

chart.

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