What opera star sang with John Denver on the album "Perhaps Love"?

More Questions:

Tin or aluminum is the traditional gift for which anniversary?

What is philology the study of?

What was the first soft drink to be consumed in outer space?

What sport uses clowns to protect the competitors?

Why was Mary Mallon famous in the early 1900s for her signature dessert of peaches and ice cream?

What part of a sailor's uniform can be used in an emergency as a flotation device?

When was Vogue Magazine founded?

In what comic strip would you find siblings Hans and Fritz?

In what country would you find the mouths of the Volga river?

What is the only nation that borders both Israel and Libya?

How many pairs of heArts does the common garden worm have?

What is the fruit of the Ananas comosus?

In the TV show "The Simpsons', who was Barney's high school sweetheart?

What fictional type of dinosaur was Dino, the family pet on "The Flinstones"?

What TV show takes place in the fictional city of Dillon, Texas?