Diana Ross - The boss (1979)

"The Boss" is a 1979 soul/disco song written and produced by Ashford & Simpson and recorded by singer Diana Ross, who released it as a single on the Motown label. It was the first release from the album of the same title

The single peaked at #19 on the Billboard Hot 100 chart , reached #12 on the Hot Soul Singles chart, and went to #1 on the Billboard Hot Dance Club Play chart.
The track was remixed by David Morales in 1993 and included on Ross' album Diana Extended: The Remixes.
The track was remixed by Almighty Records in 2009 and was included on their album "Almighty - We Love Diana Ross".
A cover of the song by The Braxtons was include on the 1996 album The Braxtons, A remix by Masters At Work topped the Billboard Hot Dance Club Play chart in early 1997.
On February 12, 2008, American dance-pop singer Kristine W released a cover of this song as the first single off her album The Power of Music. Kristine's version also hit number one on the Billboard Hot Dance Club Play chart in March 2008, becoming her eleventh US dance chart-topper and the third version of the song to top this survey.
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youtube  audio link
http://www.youtube.com/watch?v=vaFLRCcIivI