What's the Kennection? #22

In addition to oil paint, what metal did Gustav Klimt use in his famous painting The Kiss?

Which letter of the alphabet appears on 12 tiles in a Scrabble set, more than any other letter?

In which category did Eugene O'Neill win an unprecedented four Pulitzer Prizes?

What is the real title of the Don McLean hit song often called "Starry, Starry Night," as well as the name of its subject?

In both Chinese and Iroquois myth, the entire world rests on the back of what kind of animal?

What's the "Kennection"?