Question: Who are the duo from the show "Britain's Got Talent" that recorded the song composed by Franz Xaver on their second studio album?

Context paragraphs:
Wonderland (Faryl Smith album): Wonderland is the second studio album by teenage mezzo-soprano Faryl Smith, released by Decca Records on 30 November 2009.  Smith became famous after her participation in "Britain's Got Talent" in 2008, and subsequently, aged 13, signed with Universal Classics and Jazz, releasing her debut album, "Faryl".  Released only a few months afterwards, "Wonderland" contains a mix of classical and non-classical songs, which were chosen by both Smith and her record label.  A concept album, it is based on "Alice in Wonderland", and features a digitally produced "duet" with Luciano Pavarotti, who died in 2007, as well as a song set to "Winter", from Vivaldi's "Four Seasons".  As with "Faryl", "Wonderland" was produced by Jon Cohen.

The Christmas Album (Richard &amp; Adam album): The Christmas Album is the second studio album by Welsh operatic duo Richard & Adam, who first rose to fame on the seventh series of the ITV talent show "Britain's Got Talent" in 2013, on which they finished third.  The album was released on 2 December 2013 through Sony Music as the second album of the two-album contract that they signed after the show.  The album consists of cover of various Christmas songs, including "I Saw Three Ships", "Silent Night", "Once in Royal David's City".

One Voice (Andrew Johnston album): One Voice is the debut album by British boy soprano Andrew Johnston, who rose to fame in 2008 after his appearance on the second series of "Britain's Got Talent".  The album was released on 29 September 2008 by Syco Music, "Britain's Got Talent" judge Simon Cowell's record label.  Recorded in London, the album features both classical and popular songs, some of which had been previously performed by Johnston, including a duet with Faryl Smith.  Johnston made a number of media appearances to publicise the album's launch, and appeared in his hometown of Carlisle on the day of the release, where the album sold out.  Upon release, "One Voice" debuted at number five in the British album charts, finishing the week at number four.  It also charted in Ireland, reaching number six.  Critics responded positively to the album, favourably comparing Johnston to Aled Jones, and "One Voice" was rated gold in the UK.

Group 1 Crew: Group 1 Crew is a Christian hip hop band signed to Fervent Records and Warner Bros.  Records.  They made their debut with their hit song "Can't Go On" on WOW Hits 2007.  Soon after they released their first EP "I Have a Dream" (2006), the band released their self-titled full-length debut studio album, "Group 1 Crew", in February 2007.  Their song "Love is a Beautiful Thing" charted into the Top 20 in May 2007 on "R&R" magazine's Christian chart.  The group's second studio album "Ordinary Dreamers" was released on September 16, 2008.  Their popular radio single "Forgive Me" appeared on an episode of "One Tree Hill".  In September 2010, they released the album "Outta Space Love", which has proven to be their most mainstream effort yet, as many of the songs were used in "America's Got Talent".

Britain's Got Talent (series 6): The sixth series of Britain's Got Talent began airing on ITV on 24 March 2012 and ended on 12 May 2012.  Ant & Dec returned to present the main show on ITV, while Stephen Mulhern returned to present spin-off show "Britain's Got More Talent" on ITV2.  Simon Cowell and Amanda Holden returned as judges.  Alesha Dixon and David Walliams joined the judging panel, replacing Michael McIntyre and David Hasselhoff.  Carmen Electra served as a guest judge for the London auditions in Holden's absence.  The series was won by dancing dog act Ashleigh and Pudsey, with opera duo Jonathan and Charlotte coming second.  Welsh choir Only Boys Aloud came third.  This was the first series since series 4 where Cowell was present at the auditions after only being present at the live shows in series 5.

Wake Me Up (Girls Aloud song): "Wake Me Up" is a song recorded by English-Irish girl group Girls Aloud from their second studio album, "What Will the Neighbours Say? " (2004).  It was released by Polydor Records on 21 February 2005, as the fourth single from the album.  The song had been initially considered as the lead single, however, it was deemed as sounding too harsh and the record company did not want to take the risk.  The track was written by Miranda Cooper, Brian Higgins, Tim Powell, Shawn Lee, Lisa Cowling, Paul Woods and Yusra Maru'e.  "Wake Me Up" is a pop rock song composed of a "garage rock guitar riff".  It received mixed reviews from music critics.  While some described it as predictable, others wrote that it appeared to be an attempt to recapture the sound of some of their previous release.  Alex Kapranos, the lead singer of indie rock band Franz Ferdinand, said "Wake Me Up" inspired the band to work with producer Brian Higgins.

Andrew Johnston (singer): Andrew Johnston (born 23 September 1994) is a British singer who rose to fame when he appeared as a boy soprano on the second series of the UK television talent show "Britain's Got Talent" in 2008.  Although he did not win the competition, he received a contract to record with Syco Music, a label owned by the "Britain's Got Talent" judge Simon Cowell.  Johnston's debut album, "One Voice", was released in September of the same year, and reached number four on the UK Albums Chart.  Although Johnston originally performed as a treble, his voice has since matured to baritone, and he is now a member of the National Youth Choir.

Silent Night: "Silent Night" (German: "Stille Nacht, heilige Nacht" ) is a popular Christmas carol, composed in 1818 by Franz Xaver Gruber to lyrics by Joseph Mohr in the small town of Oberndorf bei Salzburg, Austria.  It was declared an intangible cultural heritage by UNESCO in 2011.  The song has been recorded by a large number of singers from every music genre.  The version sung by Bing Crosby is the third best-selling single of all-time.

Kukere: "Kukere" (Efik: "Don't Worry") is a song by Nigerian singer Iyanya.  It was released as the lead single from his second studio album, "Desire" (2013).  Upon its release, the song peaked at number 1 on Top FM's May Chart, Soundcity's Viewers Choice, Rhythm FM, and The Beat 99.9 FM's Blackberry Top Ten Countdown.  In addition, it peaked at number 2 on Radio Port Harcourt.  CEO Dancers performed the song during their performance on "Britain's Got Talent".  To further promote his second studio album in London, Cokobar and Iyanya held the "Kukere Queen Competition".  Participants of the competition were asked to upload a dance video of themselves and state three reasons why they deserve to win.

The Impossible Dream (Richard &amp; Adam album): The Impossible Dream is the debut studio album by Welsh operatic duo Richard & Adam, who first rose to fame on the seventh series of the ITV talent show "Britain's Got Talent", on which they finished third.  The album was released on 29 July 2013 through Sony Music as the first of two albums that the duo released with their current contract.

Supporting paragraphs: The Christmas Album (Richard &amp; Adam album) Silent Night
Answer: Richard & Adam