What's the Kennection? #18

What band, famed for its reggae cover of "Red Red Wine," was named for a British government welfare form?

What's the only Division I college basketball conference that doesn't hold a postseason tournament to name the conference champion?

What animal, called "caribou" in North America, is the only mammal that can see ultraviolet light?

Which chess pieces can capture opponents en passant?

What 1916 orchestral suite by Gustav Holst, inspired by the Zodiac, surprised audiences in 1916 by ending in a fade-out?

What's the "Kennection"?