Question: Sylvia Robinson produced a 1979 song what group whose fifth album was released in 1999?
Context: “He's the Greatest Dancer” is a 1979 song by the American vocal group Sister Sledge.  Released on February 3, 1979, The song was written and composed by Bernard Edwards and Nile Rodgers, and recorded for their successful 1979 album "We Are Family".  "Billboard" named the song #66 on their list of 100 Greatest Girl Group Songs of All Time. "Rock with You" is a song written by English songwriter Rod Temperton, produced by Quincy Jones and recorded by Michael Jackson.  It was released on November 3, 1979, as the second single from Jackson's fifth album "Off the Wall" (1979).  It was also the second number one hit of the 1980s, a decade whose pop singles chart would soon be dominated by Jackson.  Temperton, formerly of the group Heatwave, also wrote Jackson's song "Thriller" (1984). "Love on a Two-Way Street" is a Soul ballad written by Sylvia Robinson and Bert Keyes in 1968.  The song was originally recorded by Lezli Valentine, an artist signed to All Platinum, the record label that Sylvia Robinson co-owned with her husband, Joe.  The song was then recorded by The Moments, an R&B vocal group signed to All Platinum subsidiary Stang Records, as filler for their 1968 album "Not on the Outside, But on the Inside, Strong!" .  Sylvia and Joe decided to release the song as a single in March 1970 and it went on to become one of the biggest R&B hits of that year, spending five weeks at number one on Billboard's Soul Singles chart and reaching number three on the Hot 100 chart.  "Billboard" ranked the record as the No. 25 song of 1970.  It was also certified gold by the RIAA for sales of one million copies.  Willie and The Mighty Magnificents provided most of the musical backing on the song and Bert Keyes created the string arrangement that was overdubbed onto the track while also playing piano on the recording session. En Vogue is an American R&B/Pop vocal group whose original lineup consisted of singers Terry Ellis, Dawn Robinson, Cindy Herron, and Maxine Jones.  Formed in Oakland, California in 1989, En Vogue reached number two on the US Hot 100 with the single "Hold On", which was taken from their 1990 debut album "Born To Sing".  The group's 1992 follow-up album "Funky Divas" reached the top 10 in both the US and UK, and included their second US number two hit "My Lovin' (You're Never Gonna Get It)", plus the US top 10 hits "Giving Him Something He Can Feel" and "Free Your Mind". "Sunday (The Day Before My Birthday)" is a song by American electronica musician Moby, released as the fifth single from his 2002 studio album "18".  It was released in the UK as a single on February 24, 2003.  It features a sample of Sugarhill Records founder Sylvia Robinson's song "Sunday". Jump on It!  is the fifth album by rap group The Sugarhill Gang.  The album was released in 1999 for Rhino Entertainment and was the first album by the group since 1984's "Livin' in the Fast Lane".  The album was marketed towards children and featured a kid version of the group's 1979 hit, "Rapper's Delight". "Shame, Shame, Shame" is a 1974 hit song written by Sylvia Robinson, performed by American disco band Shirley & Company and released on the Vibration label.  The lead singer is Shirley Goodman, the male vocalist is Jesus Alvarez. "Rapper's Delight" is a hip-hop song released in September 1979 by The Sugarhill Gang, and produced by ex-Mickey and Sylvia member Sylvia Robinson. "Back in Time" is a song by the American rapper Pitbull.  While originally released as the lead single from the soundtrack of sci-fi film "Men in Black 3", it is not featured on the album; instead, it was released as the lead single from Pitbull's seventh studio album, "Global Warming".  The single was released via download on March 27, 2012, before being issued physically in Germany on May 25, 2012.  The single to date has sold over 1.3 million copies digitally. <ref name="Hip Hop Digital Singles Sales: The Week Ending 7/29/2012"> </ref> The song contains a sample from "Love Is Strange", written by Mickey Baker, Sylvia Robinson, and Ellas McDaniel, as performed by Mickey & Sylvia, which was also used in the song Rinky Dink by Bill Justis. 8th Wonder is the second album by rap group The Sugarhill Gang.  The album was released in 1982 for Sugarhill Records and was once again produced by Sylvia Robinson and James Cullimore.  Though not as successful as the group's previous album, the album did feature the minor hits "8th Wonder" and "Apache" and featured an appearance by another Sugar Hill Records rap group, Grandmaster Flash and the Furious Five.
Answer: The Sugarhill Gang