"Adeste Fideles" is a hymn tune. The text itself has unclear beginnings, and may have been written in the 13th century by John of Reading, though it has been concluded that John Francis Wade was probably the author.

The original four verses of the hymn were extended to a total of eight, and these have been translated into many languages. The English translation of 'O Come, All Ye Faithful', by the English Catholic priest, Frederick Oakeley is widespread in most English speaking countries.

Before the emergence of John Francis Wade as the probable composer, the tune had been purported to be written by several musicians, from John Reading and his son to Handel and even Gluck, including the Portuguese composer Marcos Portugal. There are several similar musical themes written around that time, though it can be hard to determine whether these were written in imitation of the hymn, the hymn was based on them, or they are totally unconnected.

The earliest existing manuscript shows both words and tune. John Francis Wade included it in his own publication of Cantus Diversi (1751). It was published again in the 1760 edition of Evening Offices of the Church. It also appeared in Samuel Webbe's An Essay on the Church Plain Chant (1782).

Céline Marie Claudette Dion, CC OQ, (French pronunciation: [selin djɔ̃] ( listen); born March 30, 1968), is a Canadian singer. Born to a large family from Charlemagne, Quebec, Dion emerged as a teen star in the French-speaking world after her manager and future husband René Angélil mortgaged his home to finance her first record. In 1990, she released the English-language album Unison, establishing herself as a viable pop artist in North America and other English-speaking areas of the world.

Dion had first gained international recognition in the 1980s by winning both the 1982 Yamaha World Popular Song Festival and the 1988 Eurovision Song Contest. Following a series of French albums in the early 1980s, she signed on to CBS Records Canada in 1986. During the 1990s, with the help of Angélil, she achieved worldwide fame after signing with Epic Records and releasing several English albums along with additional French albums, becoming one of the most successful artists in pop music history. However, in 1999 at the height of her success, Dion announced a hiatus from entertainment in order to start a family and spend time with her husband, who had been diagnosed with cancer. She returned to the top of pop music in 2002 and signed a three-year (later extended to almost five years) contract to perform nightly in a five-star theatrical show at the Colosseum at Caesars Palace, Paradise, Nevada.

Harry Lillis "Bing" Crosby (May 3, 1903 – October 14, 1977) was an American singer and actor. Crosby's trademark bass-baritone voice made him one of the best-selling recording artistes of the 20th century, with over half a billion records in circulation.

A multimedia star, from 1934 to 1954 Bing Crosby was a leader in record sales, radio ratings and motion picture grosses. His early career coincided with technical recording innovations; this allowed him to develop a laid-back, intimate singing style that influenced many of the popular male singers who followed him, including Perry Como,Frank Sinatra, and Dean Martin. Yank magazine recognized Crosby as the person who had done the most for American G.I. morale during World War II and, during his peak years, around 1948, polls declared him the "most admired man alive," ahead of Jackie Robinson and Pope Pius XII. Also in 1948, the Music Digest estimated that Crosby recordings filled more than half of the 80,000 weekly hours allocated to recorded radio music.