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

More Questions:

Whose death is a result of the souring of her relationship with her lover Count Vronsky?

Who wrote the children's book "The Trumpet of the Swan"?

What 1928 novel by D.H. Lawrence was banned in the US until 1959?

Dover is the capital of which US state?

What desert is home to the Ahaggar and Tibesti mountains?

What sort of a creature is a Boto?

The Asteroid Belt can be found between which two planets?

Elvis's manager, Colonel Tom Parker, had what earlier act?

In which war was the battle of Naseby?

What did explorer Robert Peary attempt to reach in 1909?

Which carved stone was the key to the understanding of Egyptian hieroglyphics?

In which present-day country is the site of the battle of Waterloo?

Who follows Godel and Escher in the title of a 1979 book by Douglas Hofstadter?

What is Clark planning on spending his Christmas bonus in the movie "National Lampoon’s Christmas Vacation"?

What is the first foreign country you will reach if you go south from Miami, Florida.