Question: Where are the duo who released the single "Sing It Back" from ?
Context: "Rain" is a 1998 single released by the group SWV.  The musical backing track is based on Jaco Pastorius's "Portrait of Tracy."  First heard in 1997 on the group's third album "Release Some Tension", the song was released as a single the next year.  It peaked at number 25 on the US "Billboard" Hot 100 singles chart and number 7 on the US Hot R&B Singles chart.  Singer Tyrese appeared in the song's music video.  He would later sing the hook on "Pullin' Me Back", a song by rapper Chingy, which sampled "Rain".  Smooth jazz musician and guitarist Norman Brown covered the song on his 1999 album, "Celebration".  Toronto based producer duo Team Majestic Music, also sampled "Rain" for their song "Let It Fall."  New York City house producer Baltra sampled it late 2016/early 2017. "777 (We Can Sing a Song!)"  (stylized "777 ～We can sing a song! ～") is a song by Japanese pop group AAA.  It is their 33rd single and is included in the group's seventh studio album "".  The song was written by Mitsuhiro Hidaka and Leonn.  The single was released in Japan on July 25, 2012, under Avex Trax in three editions: a CD-only edition, a CD and DVD edition, and a Mu-Mo edition.  "777 (We Can Sing a Song!)"  debuted at number four on the weekly Oricon singles chart.  The single has charted for two weeks and went on to sell over 39,400 copies in Japan. Naoki Takada (高田 尚輝 , Takada Naoki , born October 31, 1975) is a Japanese rapper and hip-hop artist better known under his alias Seamo (シーモ "Shīmo").  He made his debut in 2004 using the alias Sea-Mo Nator (シーモネーター , shīmonētā ) , but later changed his name to Seamo.  He made his solo debut in 2005 with the Japanese record label BMG Japan with the single "Kanpaku" (関白 , Advisor ) .  Seamo became famous when he appeared along with the duo Bennie K on the song "A Love Story."  In 2006, Seamo had his best-selling single in Japan with "Mata Aimashō" (マタアイマショウ ) , which despite peaking at number fourteen on the singles chart has spent thirty four weeks on the chart and sold more than 160,000 copies so far.  His debut album is "Get Back On Stage", released on October 31, 2005.  His second album, "Live Goes On", made its debut on the Japanese chart at number one.  As his favorite artists and influences, Seamo lists Kool Keith, MC Hammer, and Japanese acts Unicorn, Sing Like Talking, and Original Love.  In 2008, he released "Honey Honey Feat.  Ayuse Kozue", this song was used as the ending theme song of the second season of the anime "xxxHolic", "xxxHolic: Kei".  His song "My Answer" was used as the tenth ending of the popular anime "Naruto Shippuden".  His song "Umi e Ikou" was featured as the ending theme for the 2010 live-action drama "Moyashimon". Lawless Element is an underground hip hop duo from Detroit, Michigan.  The duo is composed of cousins Griot (West African for "Storyteller", born Alfred Austin) as emcee and Magnif (born Kavi Tapsico) as DJ, producer and emcee.  The duo of Magnif and Griot became engulfed in hip hop culture at the ages of 6 and 9, and spent their teenage years honing their skills on the production boards and on the microphone.  At the ages of 16 and 19, the duo released their first single, titled "Mic Check", in 2003 on Running Man Records.  The next year, the duo hooked up with fellow Detroit native, producer J Dilla, to release the single "The Shining".  In early 2005, LE worked with Dilla's Jaylib partner Madlib on the single "High", which landed them a deal with popular independent rap label Babygrande Records.  Their debut album, "", was released in September 2005 to generally positive reviews.  "Soundvision" featured production from Magnif, J Dilla and Madlib and guest appearances from Dilla, Melanie Rutherford, Phat Kat, Big Tone, P.Dot, SelfSays and Diverse.  "Rules Pt. 2" was the album's lead single, and also became the duo's first music video.  URB magazine gave the album 4 out of 5 stars and stated that it was "Heavily influenced by the golden age of De La Soul, Pete Rock and DJ Premier" and that it featured "12 top-shelf tracks" The album also earned the duo Featured Artist status on the Okayplayer website.  Magnif has continued production work for a number of other underground acts, and released a mixtape titled "SupaBeatMaker" in late 2005.  The duo has announced plans for their second album, tentatively titled "Evil", scheduled for released in 2008 on Babygrande Records.  Magnif is also planning the release of a full-length production and solo album. Sing for You is the second studio album by the English duo Chad & Jeremy.  It was released in the United States in January 1965, and it was their last album to be released under World Artists.  It is not to be confused with the British release of "Sing for You", which contains different tracks.  Another take on "What Do You Want With Me" was released on their next album, "Before and After". "Sing Me Back Home" is a song written and recorded by American country music artist Merle Haggard.  It was released in November 1967 as the first single and title track from the album "Sing Me Back Home".  The song was Merle Haggard's third number one.  The single spent two weeks at number one and a total of 17 weeks on the country chart.  It was also recorded live by the Byrds on "There Is a Season". Moloko were an English-Irish music duo from Sheffield, England.  The duo consisted of vocalist Róisín Murphy and producer Mark Brydon. Sing the Night Away is a 5 track EP (plus the Bonus Track) by New Zealand punk band Steriogram.  It was released at concerts during the 2002 NZ Schools Tour.  A music video was made for the song "Sing The Night Away" although none of these tracks made their debut album Schmack! .  "Sing the Night Away", "Free", and "Big Lady Loving" featured on singles from the album Schmack! , and "White Trash (DLT remix)" features on the Schmack!  2005 Special Tour Edition.  West Side!  is the only song not to feature on another album or single. A Revelation For Despair is the debut album by Australian hard rock band Behind Crimson Eyes.  It was recorded at Sing Sing South, South Yarra and Sing Sing Richmond in Melbourne, Australia.  The lead single is "Shakedown".  The second single released from the album is "You've Had Your Chance". "Sing It Back" is a song written and performed by Moloko (Róisín Murphy and Mark Brydon).  It first appeared in its original version on Moloko's second album, "I Am Not a Doctor"; it was released as a single on 15 March 1999, reaching number 45 on the UK Singles Chart.  The song experienced chart success after it was remixed by DJ Boris Dlugosch, peaking at number four in the UK in August 1999.  Murphy had started writing the lyrics while clubbing in New York City, and knew the song was at heart a dance track, but the group wanted to record it in a different artistic fashion for its album version.
Answer: Sheffield