The following is a list of artists who have reached number one on the

adult contemporary music Adult contemporary music (AC) is a form of radio-played popular music, ranging from 1960s vocal and 1970s soft rock music to predominantly ballad-heavy music of the present day, with varying degrees of easy listening, pop, soul, R&B, quiet ...

singles chart in ''

Billboard A billboard (also called a hoarding in the UK and many other parts of the world) is a large outdoor advertising structure (a billing board), typically found in high-traffic areas such as alongside busy roads. Billboards present large advertise ...

'' magazine since the chart's inception in 1961. The chart has gone by a variety of names over the years, including Easy Listening, Pop Standard, Middle-Road, and the current

Adult Contemporary Adult contemporary music (AC) is a form of radio-played popular music, ranging from 1960s vocal and 1970s soft rock music to predominantly ballad-heavy music of the present day, with varying degrees of easy listening, pop, soul, R&B, quie ...

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Enrique Iglesias Enrique Miguel Iglesias Preysler (; (born 8 May 1975) is a Spanish singer and songwriter. He started his recording career in the mid-1990s on the Mexican indie label Fonovisa and became the bestselling Spanish-language act of the decade. By the ...

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Janis Ian Janis Ian (born Janis Eddy Fink; April 7, 1951) is an American singer-songwriter who was most commercially successful in the 1960s and 1970s. Her signature songs are the 1966/67 hit " Society's Child (Baby I've Been Thinking)" and the 1975 Top T ...

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Frank Ifield Francis Edward Ifield OAM (born 30 November 1937) is a British-Australian country music singer and guitarist who often incorporated yodelling into his music. After living in Australia, Ifield returned to the United Kingdom in November 1959 wher ...

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James Ingram James Edward Ingram (February 16, 1952 – January 29, 2019) was an American singer, songwriter and record producer. He was a two-time Grammy Award-winner and a two-time Academy Awards, Academy Award nominee for Academy Award for Best Original ...

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Ronald Isley Ronald Isley (; born May 21, 1941) is an American recording artist, songwriter, record producer, and occasional actor. Isley is the lead singer and founding member of the family music group The Isley Brothers. Early life Born in 1941 to Sally ...

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Burl Ives Burl Icle Ivanhoe Ives (June 14, 1909 – April 14, 1995) was an American musician, actor, and author with a career that spanned more than six decades. Ives began his career as an itinerant singer and guitarist, eventually launching his own rad ...

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