Question: What do Win Butler and Justin Timberlake have in common?

Context paragraphs:
Dead and Gone: "Dead and Gone" is a song by American hip hop recording artist T.I., featuring American singer-songwriter Justin Timberlake.  It was released as the eighth single from T.I.'s sixth studio album, "Paper Trail" (2008).  Due to the high number of digital downloads upon the album's release, the song debuted on the "Billboard" Hot 100 before its official single release.  The song marked the second collaboration between T.I. and Justin Timberlake, the first being the hit single "My Love", from Timberlake's second album, "FutureSex/LoveSounds" (2006).  T.I. and Timberlake performed this song at the 51st Grammy Awards.  The song was later nominated twice at the 52nd Grammy Awards, for Best Rap/Sung Collaboration and Best Rap Song.  It was the 10th bestselling digital single of 2009 in the United States.  As of 2012, it had sold 3.1 million copies in the country.

Justin Timberlake: Live from London: Justin Timberlake: Live from London is the first live video album by American singer-songwriter Justin Timberlake.  It was released on December 15, 2003, by Jive Records.  It documents Timberlake's performance at the London Arena on May 18, 2003.

Rob Knox (producer-songwriter): Robin Tadross (born August 8, 1980), professionally known as Rob Knox, Is an American record producer and songwriter.  He is best known for working with artists including Justin Timberlake, Lil Wayne, T.I. , Rihanna, Britney Spears and Chris Brown.  Knox has produced singles including "Dead and Gone" by T.I and Justin Timberlake and "Love Sex Magic" by Ciara and Justin Timberlake.

Love Dealer: Love Dealer is Esmée Denters' third single from her debut album "Outta Here".  The song was written by Denters, Justin Timberlake and production team StarGate in 2009.  StarGate produced the song together with Justin Timberlake, who also provided featured vocals.  On March 22, 2010, British radio station BBC Radio 1Xtra confirmed that "Love Dealer" would be Esmée Denters' next single off of "Outta Here".  It was, however, her first official single in the US.  The song was released in an attempt to help her break the US market with the help of Justin Timberlake.  Due to a lack of airplay in the United Kingdom the single failed to reach the UK Top 40.  It also failed to chart on the "Billboard" Hot 100.

Win Butler: Edwin Farnham Butler III (born April 14, 1980) is an American singer, songwriter, musician, and multi-instrumentalist of the Montreal-based indie rock band Arcade Fire.  His wife Régine Chassagne and younger brother Will Butler are both members of the band.

Fantasy Ride: Fantasy Ride is the third studio album by American singer Ciara, first released on May 3, 2009, by RCA Records and LaFace Records.  The album was recorded between 2007 and 2009.  Ciara was executive producer on the album along with co-executive Mark Pittsand, Ciara worked with several record producers, including Blac Elvis, Benny Blanco, Blade, Jasper Cameron, The Clutch, Darkchild, Danja, Dr. Luke, Jason Nevins, Jim Beanz, Los da Maestro, Ne-Yo, Osinachi Nwaneri, Polow da Don, The-Dream, Tricky Stewart, Justin Timberlake, T-Pain.  The album featured several guest vocalists, including Justin Timberlake, Ludacris, Chris Brown, Young Jeezy, The-Dream, Missy Elliott.

Justin Timberlake: Justin Randall Timberlake (born January 31, 1981) is an American singer-songwriter, actor and record producer.  Born and raised in Tennessee, he appeared on the television shows "Star Search" and "The All-New Mickey Mouse Club" as a child.  In the late 1990s, Timberlake rose to prominence as one of the two lead vocalists and youngest member of NSYNC, which eventually became one of the best-selling boy bands of all time.  Timberlake began to adopt a more mature image as an artist with the release of his debut solo album, the R&B-focused "Justified" (2002), which yielded the successful singles "Cry Me a River" and "Rock Your Body", and earned his first two Grammy Awards.

2013 MTV Video Music Awards: The 2013 MTV Video Music Awards were held on August 25, 2013 at the Barclays Center in Brooklyn, New York.  Marking the 30th installment of the award show, they were the first to be held in New York City not to use a venue within the borough of Manhattan.  Nominations were announced on July 17, 2013.  Leading the nominees were Justin Timberlake and Macklemore & Ryan Lewis with six, followed by Bruno Mars, Miley Cyrus, and Robin Thicke with four.  Justin Timberlake was the big winner on the night with four awards, including Video of the Year for "Mirrors" and the Michael Jackson Vanguard Award.  Macklemore & Ryan Lewis, Bruno Mars and Taylor Swift were also among the winners of the night.  The ceremony drew a total of 10.1 million viewers.

Dick in a Box: "Dick in a Box" is the debut single by American comedy troupe The Lonely Island, featuring singer Justin Timberlake.  The song and music video debuted on "Saturday Night Live" as an "SNL" Digital Short on December 16, 2006.  The video depicts two early-1990s R&B ballad singers Andy (Andy Samberg) and Raif (Justin Timberlake) crooning a holiday song about making a gift for their girlfriends of their penises wrapped in boxes (strategically placed) topped with bows.

William Rast: William Rast is an American clothing line founded by Justin Timberlake and Trace Ayala.  It is most known for their premium jeans.  On October 17, 2006, Justin Timberlake and Trace Ayala put on their first fashion show to launch their new William Rast clothing line.  The label also produces other clothing items such as jackets and tops.  The company started first as a denim line, later evolving into a men’s and women’s clothing line.

Supporting paragraphs: Win Butler Justin Timberlake
Answer: singer-songwriter