1. On the 1992 jazz album 'To Diz with Love', Dizzy Gillespie and Wynton Marsalis duet on what instrument?

2. What popular canine breed is the national dog of France?

3. According to one myth, what kind of dance was invented by Hi’iaka to appease the volcano goddess Pele?

4. In his trademark move, what object did David Letterman often throw at the camera or through the “window” behind his desk?

5. What British economy car of 1959 was voted the second most important car of the 20th century, after the Model T?

What’s the "Kennection" between all five answers?