Question: When did Flatline come out by the performer of U Smile?

full_context: Document 1: Justin Bieber: Justin Drew Bieber (/ ˈbiːbər /; born March 1, 1994) is a Canadian singer and songwriter. After a talent manager discovered him through his YouTube videos covering songs in 2008 and signed to RBMG, Bieber released his debut EP, My World, in late 2009. It was certified Platinum in the U.S. He became the first artist to have seven songs from a debut record chart on the Billboard Hot 100. Bieber released his first full - length studio album, My World 2.0, in 2010. It debuted at or near number one in several countries, was certified triple Platinum in the U.S., and contained his single ``Baby ''.
Document 2: U Smile: "U Smile" is a song performed by Canadian recording artist Justin Bieber. It was written by Jerry Duplessis, Arden Altino, and Dan August Rigo, and produced by Duplessis and Altino. According to Bieber, the song is dedicated to his special fans. The song was released as the second digital-only single from the latter half of Bieber's debut album on March 16, 2010. It was released to mainstream radio in Canada on August 9, 2010, followed by a mainstream and rhythmic release on August 24, 2010, in the United States as the album's third single there.
Document 3: Change Me (Justin Bieber song): "Change Me" is a song by Canadian recording artist Justin Bieber from his second compilation album "Journals" (2013) discussing his life after the world turned on him was released on December 2, 2013. The song is the ninth in Bieber's series Music Mondays, the first eight being "Heartbreaker" (October 7, 2013), "All That Matters" (October 14), "Hold Tight" (October 21), "Recovery" (October 28), "Bad Day" (November 4), "All Bad" (November 11), "PYD" (November 18) and "Roller Coaster" (November 25). Bieber released a new single every week for 10 weeks from October 7 to December 9, 2013.
Document 4: Down to Earth (Justin Bieber song): "Down to Earth" is a song by Canadian recording artist Justin Bieber, included as a track on his debut release, "My World", released on November 17, 2009. It was written by Bieber, who was assisted by Carlos and Steven Battey of The Jackie Boyz, as well as the song's producers, Mason "MdL" Levy, and Kevin Risto and Waynne Nugent of Midi Mafia. "Down to Earth" is a teen pop song, with lyrics that were inspired by the divorce of Bieber's parents. It also contains lyrical content about growing up. The song received positive reviews from critics, who embraced the song as a shift in the puppy love content of the album. After the release of My World, due to digital sales, the song charted in the lower regions of charts in the United States, Canada, and the United Kingdom.
Document 5: Journals (album): On December 9, 2013, Bieber announced that the ten Music Monday releases would be packaged with an additional five new songs in a compilation entitled Complete My Journals. Although the album was initially set for release on December 16, 2013, the date was pushed back one week to December 23, as Bieber intended to include one more song on the compilation. Though it does not appear on the album itself, the bonus track, ``Flatline '', was available for a free download on the iTunes Store for a limited time. Journals was available on iTunes from January 2, 2014, and all sixteen songs are available for purchase individually. According to one of its producers and Bieber's personal friend, Jason`` Poo Bear'' Boyd, the album was supposed to receive a full release, as well as its singles to be promoted on radio, however the label did n't support it because it was n't the direction they wanted Justin to go. It was, however, eventually released on LP in 2016.
Document 6: Justin Bieber: Justin Drew Bieber (/ ˈbiːbər /; born March 1, 1994) is a Canadian singer, actor and songwriter. After a talent manager discovered him through his YouTube videos covering songs in 2008 and he signed to RBMG, Bieber released his debut EP, My World, in late 2009. It was certified platinum in the U.S. He became the first artist to have seven songs from a debut record chart on the Billboard Hot 100. Bieber released his first full - length studio album, My World 2.0, in 2010. It debuted at or near number one in several countries, was certified triple platinum in the U.S., and contained his single ``Baby ''.
Document 7: Smile (Avril Lavigne song): "Smile" is a song by Canadian recording artist Avril Lavigne from her fourth studio album, "Goodbye Lullaby" (2011). It was co-written by Lavigne, Max Martin and Shellback and produced by Martin and Shellback. "Smile" was released on April 11, 2011 by RCA Records as the second single from the album to Australian radio stations and then on May 17 in the United States contemporary hit radio. Upon its release, the song received critical acclaim from music critics, who described the track as a "sassy and catchy pop song". It has charted inside the top-thirty on the Australian, Japanese and New Zealand charts, in addition to being certified by the recording industry associations of Australia and the United States. A music video directed by Shane Drake was filmed in April 2011 and released on May 20. By November 2014, the music video had reached 100 million views on Vevo.
Document 8: Bon Iver discography: ``Brackett, WI ''released on Dark Was the Night (February 17, 2009 -- 3 x LP & 2 x CD).`` For Emma'' (live) released on Live at the World Cafe Vol. 27 (2009 -- U.S. CD) ``Skinny Love ''(live) released on`` Later... Live with Jools Holland'' (October 12, 2009 -- 2 x CD) ``Roslyn ''(with St. Vincent) released on The Twilight Saga: New Moon: Original Motion Picture Soundtrack (October 19, 2009 -- CD. December 2009 -- 2 x LP)`` Flume'', ``Wisconsin ''and`` Soft Light'' featured on the feature film The Builder by R. Alverson (July 27, 2010 -- DVD) My Beautiful Dark Twisted Fantasy by Kanye West (November 22, 2010 -- CD); featuring Bon Iver on six total tracks including ``Monster ''and`` Lost in the World''. Writing credits for Justin Vernon and featuring Bon Iver on ``Monster ''and`` Lost in The World''. ``The Wolves (Act I & II) ''featured on the feature film Rust and Bone (October 29, 2012 - Film)`` The Wolves (Act I & II)'' featured on the feature film The Place Beyond the Pines (March 29, 2013 - Film) ``Come Talk To Me ''featured on`` I'll Scratch Yours'' by Peter Gabriel (September 24, 2013) ``Heavenly Father ''released on the Wish I Was Here soundtrack (June 20, 2014 - CD / Digital)`` re: stacks'' featured in the feature film As Cool As I Am. ``I Need a Forest Fire ''features Bon Iver on James Blake's third studio album The Colour in Anything.
Document 9: Where Are Ü Now: ``Where Are Ü Now ''Cover artwork for the official remixes Single by Jack Ü with Justin Bieber from the album Skrillex and Diplo Present Jack Ü Released February 27, 2015 (2015 - 02 - 27) Format Digital download Recorded 2014 Genre EDM Length 4: 10 Label Atlantic Mad Decent OWSLA Songwriter (s) Sonny Moore Thomas Wesley Pentz Justin Bieber Jason`` Poo Bear'' Boyd Karl Rubin Brutus Jordan Ware Producer (s) Skrillex Diplo Jack Ü singles chronology ``Take Ü There ''(2014)`` Where Are Ü Now'' (2015) ``To Ü ''(2015)`` Take Ü There'' (2014) ``Where Are Ü Now ''(2015)`` To Ü'' (2015) Justin Bieber singles chronology ``Home to Mama ''(2014) Home to Mama 2014`` Where Are Ü Now'' (2015) Where Are Ü Now2015 ``What Do You Mean? ''(2015) What Do You Mean? 2015 Music video`` Where Are Ü Now'' on YouTube
Document 10: Bad Day (Justin Bieber song): "Bad Day" is a song by Canadian singer Justin Bieber, which appears on his second compilation album "Journals" (2013). It was released on November 4, 2013, The song is the fifth in Bieber's series Music Mondays, the first four being "Heartbreaker" (October 7), "All That Matters" (October 14), "Hold Tight" (October 21), and "Recovery" (October 28). Bieber released a new single every week for 10 weeks from October 7 to December 9, 2013.
Document 11: One Less Lonely Girl: "One Less Lonely Girl" is a song by Canadian recording artist Justin Bieber. The song was written and produced by Bieber's mentor, Usher, as well as Ezekiel Lewis, Balewa Muhammad of The Clutch, and A-Rex duo Sean Hamilton and Hyuk Shin. It was released exclusively to iTunes as the second single from his debut release, "My World" on October 6, 2009, and was later released to more digital distributions and mainstream and rhythmic radio soon after.
Document 12: My Worlds Acoustic: My Worlds Acoustic is the first remix album by Canadian recording artist Justin Bieber. It was released on November 26, 2010 and was initially sold exclusively at Walmart retail stores and Sam's Club. The album features nine acoustic versions of songs from his debut extended play, "My World" (2009), and first album "My World 2.0" (2010), as well as a new song "Pray". The new versions of the songs were produced by Bieber's music director, Dan Kanter, his vocal producer Kuk Harrell, and also producer Rob Wells. Internationally, the set is included as a part of the compilation album, "" (2010), which included songs from the previous two releases. "My Worlds Acoustic" was released to iTunes, on February 8, 2011.
Document 13: All Bad: "All Bad" is a single by Canadian recording artist Justin Bieber. It was released on November 11, 2013, The song is the sixth in Bieber's series Music Mondays, the first five being "Heartbreaker" (October 7, 2013), "All That Matters" (October 14), "Hold Tight" (October 21), "Recovery" (October 28) and "Bad Day" (November 4). Bieber released a new single every week for 10 weeks from October 7 to December 9, 2013.
Document 14: Somebody to Love (Justin Bieber song): "Somebody to Love" is a song performed by Canadian recording artist Justin Bieber. The song served as the second single from his album, "My World 2.0". It was written by Heather Bright and The Stereotypes, and produced by the latter. The song was originally recorded as a demo by Bieber's mentor, R&B singer, Usher, for his sixth studio album, "Raymond v. Raymond" (2010). After things went stale with Usher's label, The Stereotypes were encouraged to give the song to Bieber, who recorded it, with Usher performing background vocals. The song is an upbeat pop song, which also derives from R&B genre, while making use of Eurodisco influences. It impacted US mainstream and rhythmic radio on April 20, 2010. The remix of the song featuring Usher was featured on Bieber's first compilation album "" and his second remix album "".
Document 15: Heartbreaker (Justin Bieber song): "Heartbreaker" is a song by Canadian singer Justin Bieber, taken from his second compilation album "Journals" (2013). It was released on October 7, 2013, and produced by T-Minus, Maejor Ali, Justin Bieber, and Chef Tone. The song is the first in Bieber's series Music Mondays, where he released a new single every week for 10 weeks until December 9, 2013.
ground_truth: January 2, 2014
sub_queries: U Smile >> performer Answer: Justin Bieber
when did flatline by Justin Bieber come out Answer: January 2, 2014