Jeff Bhasker (also known as Billy Kraven) is an American producer and writer, as well as a vocalist and multi-instrumentalist.^{[citation needed]}

Bhasker was one of the producers of the rapper Kanye West's track "Runaway", which made its debut at the 2010 MTV Video Music Awards. He is credited with writing credits on a number of songs on West's 2008 album 808s & Heartbreak, as well as West's follow up album, My Beautiful Dark Twisted Fantasy and credited with writing credits and producer on a number of songs on Grammy-winner Alicia Keys's 2009 album The Element of Freedom, including hits singles "Try Sleeping with a Broken Heart" and "Wait Til You See My Smile", and others songs "Love Is Blind" and "Like the Sea". In 2009, Jeff Bhasker produced the songs, "Free", "Zombie", "Heaven" for Natalia Kills and also produced and collaborated with Natalia on her song, "Nothing Lasts Forever" on her debut album, Perfectionist under his alter-aliase, Billy Kraven. He worked on the recent work of Grammy-winner Beyoncé songs, "I Care", "Rather Die Young" and "Party" from the album 4, as an author, musician and producer.

Mark Daniel Ronson (born 4 September 1975) is an English DJ, musician, music producer, artist and co-founder of Allido Records. He currently works with his band under the music alias of Mark Ronson & The Business Intl.

While his debut album Here Comes the Fuzz failed to make an impact on the charts, his second album, Version included three top ten hits and won Ronson a Brit Award for Best British Male Artist in 2008. His third studio album, Record Collection, was released on 27 September 2010.

Ronson was born at the Wellington Hospital, St John's Wood, to writer/socialite Ann Dexter-Jones and one-time band manager and real estate entrepreneur Laurence Ronson. His parents are of Ashkenazi Jewish descent, with ancestors from Austria, Russia, and Lithuania, and Ronson was brought up in Conservative Judaism. Ronson's family name was originally Aaronson, but his grandfather Henry Ronson changed it to Ronson. Ronson is the nephew of property tycoon Gerald Ronson. Ronson is related to British Conservative politicians Sir Malcolm Rifkind and Leon Brittan, as well as Odeon Cinemas founder Oscar Deutsch. Ronson has twin sisters who are two years younger than him, Charlotte Ronson, a fashion designer, and Samantha Ronson, a singer and DJ. Ronson also has five younger half-siblings. Alexander and Annabelle, through his mother's remarriage to Mick Jones as well as Henrietta, David and Joshua, through his father's remarriage to model Michele First. After his parents broke up, his mother married Foreigner guitarist Mick Jones, which contributed to a childhood surrounded by music.

Kanye Omari West ( /ˈkɑːnjeɪ/; born June 8, 1977) is an American musician, film director and fashion designer. West first rose to fame as a producer for Roc-A-Fella Records, where he eventually achieved recognition for his work on Jay-Z's album The Blueprint, as well as hit singles for musical artists including Alicia Keys, Ludacris, and Janet Jackson. His style of production originally used pitched-up vocal samples from soul songs incorporated with his own drums and instruments. However, subsequent productions saw him broadening his musical palette and expressing influences encompassing '70s R&B, baroque pop, trip hop, arena rock, folk, alternative, electronica, synthpop, and classical music.

West released his debut album The College Dropout in 2004, his second album Late Registration in 2005, his third album Graduation in 2007, his fourth album 808s & Heartbreak in 2008, and his fifth album My Beautiful Dark Twisted Fantasy in 2010. West released a collaborative album, Watch the Throne with Jay-Z in 2011, which is the duo's first collaborative album. His five solo albums, all of which have gone platinum, have received numerous awards and critical acclaim. As of 2012, West has won a total of eighteen Grammy Awards, making him one of the most awarded artists of all-time. All albums have been very commercially successful, with My Beautiful Dark Twisted Fantasy becoming his fourth consecutive No. 1 album in the U.S. upon release. West has had 5 songs exceed 3 million in digital sales as of July 2011, with "Gold Digger" selling 3,086,000, "Stronger" selling 4,402,000, "Heartless" selling 3,742,000, "E.T." selling over 4,000,000 and "Love Lockdown" selling over 3,000,000 placing him third in overall digital sales of the past decade. He has sold over 30 million digital songs in the United States making him one of the best-selling digital artists of all-time.