Misc: What stretch of water seperates Australia from Tasmania?

Questions

Who were believed to celebrate Walpurgis Night on the eve of May Day?

Besides gin, what other alcoholic drink is used to make a White Lady cocktail?

Who is the anti-heroine of Thackeray's "novel without a hero"?

In which group would you find Jarvis Cocker?

With which group does Damon Albarn sing?