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

More Questions:

Baklava is usually made using what kind of paper-thin dough?

What large red flower is the floral emblem of New South Wales?

What cartoon character was introduced as "Mi Laoshu" in China?

The John Knowles novel "A Separate Peace" is narrated by which character?

What Steinbeck novel takes its title from a poem by Julia Ward Howe?

The Black Hills, home to Mount Rushmore, are located in which US state?

What major river runs through Dublin?

John Augustus Larson invented what in 1921?

What type of bridge is the Golden Gate Bridge?

What was the name of Dr. Evil’s cat in the "Austin Powers" movies series?

Who sang "That's Alright Mama"?

Who is C3-PO's sidekick?

In what film did real life siblings Jake and Maggie Gyllenhaal play brother and sister onscreen?

What are the names of the Monkees from the TV show of the same name?

Which was the oldest Marx brother?