Premise: Donald Clark "Donny" Osmond (born December 9, 1957) is an American singer, actor, radio personality, and former teen idol. Osmond has also been a talk and game show host, record producer and author. In the mid-1960s, he and four of his elder brothers gained fame as the Osmonds. Osmond went solo in the early 1970s, covering such hits as "Go Away Little Girl" and "Puppy Love".
Hypothesis: Donald Clark is was in a boy band made  in the mid 1960's