Question: Who sings Never Say Never with the My World Tour participant?

full_context: Document 1: Fearless Tour: The Fearless Tour was the debut concert tour by American singer-songwriter Taylor Swift. Also referred to as the Fearless Tour 2009 and the Fearless Tour 2010, it was launched in support of her second studio album ""Fearless"" (2008). On the tour, she was joined by guests Kellie Pickler and Gloriana. Teen singer Justin Bieber joined her as an opening act for the tour when she went to England in November 2009. During the tour, Swift performed with guests such as John Mayer, Katy Perry, and Faith Hill. It grossed $63,705,590 from 89 reported shows and an audience of 1,138,977.
Document 2: What Do You Mean?: ``What Do You Mean? ''is a song recorded by Canadian singer Justin Bieber for his fourth studio album Purpose (2015). The song was released on August 28, 2015, as the album's lead single by Def Jam. Written by Bieber, Jason`` Poo Bear'' Boyd and Mason Levy, the song was produced by MdL and co-produced by Bieber. ``What Do You Mean? ''is a pop and tropical house song, with its instrumentation consisting in light flourishes of panpipes, looped vocal samples, piano chords, fervent synths, bass and`` slick beat'' elements with the sound of a clock ticking, while Bieber uses a smooth, soulful vocal. Lyrically, ``What Do You Mean? ''describes not being able to figure out the opposite sex with Bieber asking a girl why her body language is conflicting with her words.
Document 3: Never Say Never (Justin Bieber song): "Never Say Never" is a song by Canadian recording artist Justin Bieber. The song is used as the theme song for "The Karate Kid", and features rap interludes from the film's star, Jaden Smith. Originally a risque demo with sexual lyrics performed by American singer Travis Garland, it was written and produced by The Messengers, and Omarr Rambert. However, for unknown reasons, Bieber was tapped to record the song for the film. He re-wrote the song with The Messengers, Rambert, Smith, and his vocal producer Kuk Harrell, to feature inspirational lyrics to foil the film's theme. The song contains R&B and pop elements while merging hip-hop.
Document 4: 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 5: 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 6: Justin Bieber: On August 17, 2017, Bieber released the single ``Friends ''with American record producer and songwriter BloodPop. Songwriters Julia Michaels and Justin Tranter reunited with Bieber to construct the song, just as they helped create his single`` Sorry'' in 2015 on his studio album Purpose. Bieber did not attend the 2018 Grammy Awards Show to perform the nominated song ``Despacito '', claiming that he would not make any award show appearances until his next album was finished.
Document 7: Purpose World Tour: The Purpose World Tour is the third worldwide tour by Canadian singer Justin Bieber. It was in support of his fourth studio album Purpose (2015). The tour started on March 9, 2016 in Seattle and ended on July 2, 2017 in London, England.
Document 8: Believe Tour: The Believe Tour was the second concert tour by Canadian pop star Justin Bieber. It was launched in support of his third studio album, "Believe" (2012). Beginning in September 2012, the tour played over 150 shows in the Americas, Europe, Asia, Africa, and Australasia.
Document 9: Illuminate World Tour: On February 22, 2017, Charlie Puth was announced as the opening act for the North American leg of the tour, and Rock in Rio announced Mendes as a performer of the festival in Rio de Janeiro.
Document 10: Baby (Justin Bieber song): Filming for the music video began during the week of January 25, 2010, in Los Angeles. It was filmed at Universal CityWalk by director Ray Kay, who had previously directed videos for Beyoncé Knowles, Lady Gaga, Alexandra Burke, and Cheryl Cole, among others. Ludacris said that the video ``is like a 2010 version of Michael Jackson's`` The Way You Make Me Feel ''.'' Bieber said that the video ``will capture the song's message of trying to woo back a girl. ''In explaining the concept of the video, Bieber said,`` It starts off, I really like this girl, but we did n't (get) along; we could n't be together. Basically I want her back and (I'm) kind of going through the whole thing. I'm chasing her around, trying to get her, and she's kind of playing hard to get, but I'm persistent. I keep going.'' The video premiered exclusively on Vevo on Friday, February 19, 2010. Singer and actress Jasmine Villegas portrays Bieber's love interest in the video. Bieber's friends, Young Money artists Drake and Lil Twist also appeared in the video, along with Tinashe and jerkin 'crew The Rangers.
Document 11: My World Tour: The My World Tour was the debut concert tour by Canadian recording artist Justin Bieber. It is Bieber's first concert tour which supports his two-part debut album "My World" and "My World 2.0". The tour was for the first time rocky teswin officially announced on March 16, 2010, a week before "My World 2.0" was released. The tour has multiple legs with the supporting acts of Mindless Behavior, Sean Kingston and Jessica Jarrell on North American dates and pop girl group The Stunners also joined the tour for the first twenty dates. Jasmine Villegas joined the tour as opening act for the second leg. The first leg of the tour is estimated to have grossed $35.6 million post inflation. The tour made a total of $53,341,886 worldwide.
Document 12: Never Say Never (Romeo Void song): "Never Say Never" is a 1982 song by the new wave band Romeo Void. One of their best-known songs, "Never Say Never" was a favorite on early MTV, featuring a black-and-white music video that spoofs Jean-Luc Godard's "Breathless". The song is driven by a throbbing, funky bassline and punctuated by jagged guitar and saxophone, incorporating post-punk influences.
Document 13: Baby (Justin Bieber song): The song is predominantly upbeat, featuring Bieber's R&B vocals over a backdrop containing a dance infused beat, full of keyboard and ``disco string ''synths. The song is composed in the key of E ♭ major with Bieber's vocal range spanning from the low - note of G to the high - note of C. According to Jody Rosen of Rolling Stone, the song`` blends winks at Fifties doo - wop with hip - hop chants'', comparing the style and the lyrics ``My first love broke my heart for the first time / And I was like / Baby, baby, baby, ooooh / I thought you'd always be mine ''to fifties ballads like`` Tears on My Pillow'', ``Why Do Fools Fall in Love ''and`` Earth Angel''. Lyrically, Bieber's lines explain his distress over his lost love, and promise to get it back, featured in lines like, ``And I wan na play it cool / But I'm losin 'you... / I'm in pieces / So come and fix me... ''. The chorus features the distinct and repetitive`` baby, baby, baby, ohhhh (nooooo)'' hook. After the second verse, Ludacris comes in with the verse - rap, an anecdote of young love when he was thirteen, as it runs ``When I was 13 / I had my first love / She had me going crazy / Oh, I was star - struck / She woke me up daily / Do n't need no Starbucks... ''.
Document 14: 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 15: Never Say Never (Justin Bieber song): ``Never Say Never ''is a song by Canadian recording artist Justin Bieber. The song is used as the theme song for The Karate Kid, and features rap interludes from the film's star, Jaden Smith. Originally a risque demo with sexual lyrics performed by American singer Travis Garland, it was written and produced by The Messengers, and Omarr Rambert. However, for unknown reasons, Bieber was tapped to record the song for the film. He re-wrote the song with The Messengers, Rambert, Smith, and his vocal producer Kuk Harrell, to feature inspirational lyrics to foil the film's theme. The song contains R&B and pop elements while merging hip - hop.
ground_truth: Jaden Smith
sub_queries: My World Tour >> participant Answer: Justin Bieber
who sings never say never with Justin Bieber Answer: Jaden Smith