But Davis always had raw energy to spare, so much that he can’t resist when Gregory Hines leads him up on stage for a little tap contest. The man is a wonder to behold.

The two also appeared in the big-screen “Tap,” with Sammy Davis Jr. A hoofer since age 3, Hines finds acting harder than dancing. “Dancing is the easiest way to express myself.

On Sammy Davis Jr.’s farewell tour with his old buddies Frank Sinatra and Liza Minelli in 1988-89, he mixed a little dancing into his act. It was a short interlude, a few basic steps, but it was ...

That means there's an abundance of footage of Davis Jr., from his childhood up to the time of his death. "There must be 200 hours of material of Sammy," says Pollard. "We had so much stuff to look at.