Usher Terry Raymond IV (born October 14, 1978), who performs under the mononym Usher, is an American singer, songwriter, dancer, and actor. Usher rose to fame in the late 1990s with the release of his second album My Way, which spawned his first Billboard Hot 100 number-one hit, "Nice & Slow". The album has been certified 6-times platinum by the RIAA. His follow-up album, 8701, produced the Billboard Hot 100 number one hits "U Remind Me" and "U Got It Bad". The album has been certified 4-times platinum by the RIAA.

Usher's 2004 album Confessions sold over 10 million copies in the United States, and been certified diamond by the RIAA. Confessions has the highest first week sales for an R&B artist in history. It spawned four consecutive Billboard number-one hits—"Yeah!", "Burn", "Confessions Part II", and "My Boo". Usher's 2008 album Here I Stand sold over 5 million copies worldwide, and its lead single "Love In This Club" peaked at number-one on the Billboard Hot 100.

On March 30, 2010, Usher released his sixth studio album Raymond v. Raymond, which became his third consecutive album to debut at number one on the US Billboard 200 chart. It has been certified platinum by the RIAA, and spawned another Billboard Hot 100 number-one hit "OMG". The song became his ninth number one in the United States, making him the first 2010s artist to collect number one singles in three consecutive decades. He later released an extended play and deluxe edition of "Raymond v. Raymond", entitled Versus, which debuted at number four on the Billboard 200 chart. Its lead single "DJ Got Us Fallin' In Love" reached number four on the Billboard Hot 100.

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.

Adam Noah Levine (born March 18, 1979) is an American singer-songwriter and musician, best known as the front man and guitarist for the pop rock band Maroon 5. He is also a coach on the American talent show The Voice.

Levine was born in Los Angeles to Fred and Patsy (née Noah) Levine. His uncle is journalist and author Timothy Noah. He has a brother, Michael, and a sister, Julia. When he was six years old, he made the winning shot of his local YMCA championship basketball game (on a team his father coached) with no time left on the clock. He has said that the incident changed his life and gave him the confidence to be successful.

Levine attended French Woods Festival of the Performing Arts Camp (Hancock, NY) with best friend Jesse Carmichael, guitar player of the band known at that time as Kara's Flowers. He graduated from Brentwood School in 1997.

Levine has Jewish ancestry on both sides of his family (his father and maternal grandfather were Jewish), and considers himself Jewish, though according to The Jewish Chronicle, who interviewed Levine, he "has rejected formal religious practice for a more generalized, spiritual way of life". He chose not to have a Bar Mitzvah as a child.

Armando Christian Pérez (born January 15, 1981), better known by his stage name Pitbull, is an American rapper, pop singer-songwriter and record producer. His first recorded performance was from the Lil Jon album Kings of Crunk in 2002, after which he released his debut album in 2004 titled M.I.A.M.I. (short for Money Is a Major Issue) under TVT Records. Since then, he has released three other albums under the label: El Mariel in 2006, The Boatlift in 2007, and Planet Pit in 2011

He then released Rebelution in 2009, which included singles "I Know You Want Me (Calle Ocho)" and "Krazy". The latter peaked at No.30 on the Hot 100 and No.11 on the Hot Rap Tracks charts while "I Know You Want Me" peaked at No.2 on the Hot 100 and peaked within the top ten spots of charts in the UK, Canada, Italy, and the Netherlands. The song reached No.1 in France and the European Hot 100 on the week ending August 29, 2009 according to Billboard magazine. He later signed with Polo Grounds Music through Sony Music and created his own label Mr. 305 Inc. Another single from Rebelution was "Hotel Room Service", which peaked at No.8 on the Hot 100. Rebelution went on to sell over 7.5 million worldwide digital singles and albums combined.

For Real was an American R&B and soul quartet, that formed in 1993. In the latter part of that decade they were nominated for a Grammy, Billboard Music Award, and Soul Train Music Award.

For Real secured their recording contract by accident. "We were picking up our manager from the airport. So we decided to greet him with an acappella song. Someone from A&M Records just happened to be in the airport and heard them perform. Not long after, they were signed," said Latanyia Baldwin.

The band released their debut album, It's a Natural Thang, with production from Brian McKnight on A&M Records in 1994, and it became a critical success, including a rare four stars from Rolling Stone magazine. Their first single, "You Don't Wanna Miss" hit #28 on the Billboard chart, courtesy of a danceable new jack swing remix by Steve "Silk" Hurley, which was featured in the song's video. A second single, "Easy to Love", peaked at #65 on the Billboard Hot 100 chart. The album scored another chart hit with the a cappella love song, "You Don't Know Nothin'", which was written and produced by Mervyn Warren, and which peaked at #27. The song peaked at #54 in the UK Singles Chart in July 1995. The album sold over one million copies worldwide, and peaked at #80 on the Billboard 200.