Mrbojangles

6 clues
Famous tap-dancer
1971 Nitty Gritty Dirt Band hit
1971 Nitty Gritty Dirt Band song
Nitty Gritty Dirt Band hit, 1971
1971 hit from the album "Uncle Charlie & His Dog Teddy
1971 hit with the lyric "He danced for those at minstrel shows