Question: Which German music group produced the song "Rhythm Is a Dancer" as well as the album "The Madman's Return"?

full_context: Document 1: Dub Be Good to Me: "Dub Be Good to Me" is a 1990 single by British dub group Beats International, released on 29 January 1990. It was a #1 hit in the United Kingdom, and hit #1 on the "Billboard" Hot Dance Club Play in the United States. It is generally considered the band's signature song.
Document 2: Sash! discography: The discography of Sash!, a German DJ. In 1996, Sash! released "It's My Life", which became a European club hit. In 1997, with Sabine Ohmes as the singer, Sash! released "Encore Une Fois" which reached number two in the UK Singles Chart, as well as reaching the top 10 in many other countries. Follow-up singles "Ecuador" and "Stay", both also reached number two in the UK. In 1998, Sash! released the first single from his second album, "La Primavera", which reached number three, "Mysterious Times", which reached number two, and "Move Mania". The following year, "Colour The World" reached number fifteen. In 2000, "Adelante" was released from the new album "Trilenium", and it reached number two. "Just Around The Hill" and "With My Own Eyes", were also released in that year. "Together Again" was the last single from the album, but was only released in Spain and Denmark. In 2002, Sash! released his fourth album "S4 Sash!", which produced the singles "Ganbareh", "Run" (which featured Boy George), and "I Believe" (which had the vocals of TJ Davis). In 2007, Sash! released an album called "10th Anniversary" which reached number nine on the UK Album Chart. In 2008 Sash! released "Raindrops (Encore Une Fois)", a collaboration with Stunt, and it reached number nine in the UK.
Document 3: 2 Unlimited: 2 Unlimited is a dance group founded in 1991 by Belgian producers Jean-Paul DeCoster and Phil Wilde and fronted by Dutch rapper Ray Slijngaard and Dutch vocalist Anita Doth. During five years of enormous worldwide popularity, the act scored 16 chart hits, including "Get Ready for This", "Twilight Zone", "No Limit", and "Tribal Dance". During their career, they have sold 18 million records worldwide. Although they enjoyed less mainstream recognition in the United States, many of their songs have become popular themes at US sporting events, particularly in the NHL.
Document 4: Encore une fois: "Encore une fois" (French for "one more time") is a song by German DJ team Sash!. It was released in January 1997 as the second single from the album, "It's My Life - The Album". It found huge success in clubs throughout the world and is considered one of Sash!'s biggest hits to date. The song also features vocals in French by German vocalist Sabine Ohmes.
Document 5: Gonna Make You Sweat (Everybody Dance Now): "Gonna Make You Sweat (Everybody Dance Now)" is a hit song by American dance group C+C Music Factory. It was released in late 1990 as the lead single from the album, "Gonna Make You Sweat". The song charted internationally and achieved great success in the United States, Austria, Germany, the Netherlands and Switzerland where it reached number one on the charts.
Document 6: Hot Shot (album): Hot Shot is the fifth studio album released by Jamaican-American singer Shaggy. The album was first released on August 8, 2000, in the United States, before being issued in the United Kingdom on April 8, 2001, with a revised track listing. The revised UK edition was also released in Europe, but without the song "Why You Mad at Me?". "Hot Shot" went on to be certified six times platinum in the United States according to the RIAA. The album has sold an estimated 10 million copies worldwide. A remix album, entitled "Hot Shot Ultramix", was released in June 2002. Four singles were released from the album: "It Wasn't Me", "Angel", "Luv Me, Luv Me" and the double A-side single "Dance & Shout / Hope".
Document 7: The Return of Roger Miller: The Return of Roger Miller is the second studio album of country music singer-songwriter Roger Miller. It was released under the Smash Records label in 1965. It reached #2 on the country album charts and #4 on the "Billboard" 200, and was ultimately certified as Gold by the RIAA.
Document 8: Rhythm Is a Dancer: "Rhythm Is a Dancer" is a song recorded by German group Snap!. It was released in March 1992 and achieved huge success in many countries around the world, topping the charts in France, Ireland, Italy, Netherlands, Germany and the United Kingdom. It also reached the top 5 on the US "Billboard" Hot 100 and number one on the US Hot Dance Music/Club Play Singles. The single spent six weeks at the top in the UK where it was the second biggest selling single of 1992, surpassed only by Whitney Houston's version of "I Will Always Love You".
Document 9: Mr. Vain: "Mr. Vain" is a song by German Eurodance group Culture Beat. It was released in April 1993 as the lead single from the album "Serenity". The song achieved huge success worldwide, reaching number one in Australia, Austria, Germany, Ireland, Italy, the Netherlands, Norway, Switzerland, and the United Kingdom. It also spent ten weeks at number one on the "RPM" Dance chart in Canada.
Document 10: Dragostea Din Tei: "Dragostea Din Tei" (]    , "Love from the lindens", official English title: Words of Love), also informally known as "Ma Ya Hi" and "The Numa Numa Song" (see ), is the most successful single by the Moldovan pop group O-Zone, sung in Romanian. It shot to the number one spot on the Eurochart Hot 100, where it remained for 12 weeks between June and early September 2004. It topped the single charts in France, Germany and Austria for over three months, reached three in the United Kingdom and 72 on the US Pop 100. The song became the fourth-best-selling single of the 21st century in France, with 1,170,000 units sold. A popular cover of the song was made by Italian-Romanian pop singer Haiducii, which also charted in many countries, especially Italy and Sweden, where it topped the singles charts. The original song was made notable in the United States by the viral video of Gary Brolsma dancing to the song, calling it "Numa Numa".
Document 11: Return of the Bumpasaurus: Return of the Bumpasaurus is the fifth album by emcee Sir Mix-a-Lot. The album was released in 1996 on American Recordings, which was less successful than his previous album, "Chief Boot Knocka". It featured the single "Jump on It" and peaked at #123 on the "Billboard" 200.
Document 12: Return to Me (song): "Return to Me" is a song released in 1958 by Dean Martin. The song spent 22 weeks on the United Kingdom's "New Musical Express" chart, peaking at No. 2, while reaching No. 1 in the Netherlands, No. 5 on Canada's CHUM Hit Parade, No. 7 in Flanders, and No. 8 on Norway's VG-lista. In the United States, the song reached No. 4 on "Billboard"' s Top 100 Sides, No. 4 on "Billboard"' s chart of "Best Selling Pop Singles in Stores”, and No. 4 on "Billboard"' s chart of "Most Played by Jockeys".
Document 13: The Madman's Return: The Madman's Return is Snap!'s second studio album and contains the international massive hit "Rhythm Is a Dancer", which reached No. 1 in France, Ireland, Italy, the Netherlands, Germany and the United Kingdom and peaked at No. 5 in the US. The album was certified platinum in Switzerland and gold in Germany, Austria and the United Kingdom but only reached No. 121 on the US "Billboard" 200.
Document 14: Darkdancer: Darkdancer is the second studio album released by Les Rythmes Digitales. It was first released in May 1999 but received little critical acclaim, albeit more than the band's first release, "Libération". After British electronic musician Stuart Price, the sole member of Les Rythmes Digitales, began to gain attention for his collaboration with artists such as Madonna, "Darkdancer" was re-released on 5 September 2005 in the UK as a dual CD/DVD set that included some unreleased songs, song remixes, and the videos for "(Hey You) What's That Sound?" and "Sometimes". In a 2005 review of the album's rerelease, the BBC called it "ahead of its time", and credits the album for launching much of the electro-pop vogue of the 2000s.
Document 15: Right Back Where We Started From (album): Right Back Where We Started From is the debut album by British R&B and soul music singer Maxine Nightingale The title track was first released as a single in the autumn of 1975 and reached #8 in the UK . In the US it reached #5 in Adult Contemporary, #9 in Dance Music/Club Play, #46 in R&B singles and #2 in the Billboard Hot 100. It was the success of this single to which prompted her to return to London to complete a Right Back Where We Started From album. The album was released in the US early 1976 to enthusiastic reaction, reaching #65 on the Billboard Hot 100. Another single from the album, “Gotta Be the One”, charted at #53 on the Billboard Hot 100.
ground_truth: Snap!