Butler, who died Feb. 20, was born in rural Miss., and had his first hit in 1958, singing lead with The Impressions. He later moved to Chicago and entered local politics. Originally broadcast in 2000.

They say imitation is the sincerest form of flattery and Michael Bublé would make his music idols blush with his spot-on impressions. The Voice Coach has studied the singing styles of legends ...

The Grammy-nominated R&B and soul singer/songwriter, who became involved in local politics in Chicago later in life, reportedly had Parkinson's.