The "Jam" was completed originally in the Minstrel shows of days. Each dancer of the
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Donald Clark "Donny" Osmond (born December 9, 1957) is an American singer, musician, actor and former teen idol. Osmond has also been a talk show and game show host, record producer, race car driver, and author. He is known for being half of the brother-sister singing act Donny & Marie and a member of the "Osmond Brothers" singing group. From 1991-1997 he played Joseph in the Canadian production of Joseph and the Amazing Technicolor Dreamcoat. Andrew Lloyd Webber, impressed by his talents and the show's long run, chose Osmond to do the film version in 1999. On November 24, 2009, he was crowned Dancing with the Stars champion.