Misc: What lies twitching at the bottom of the ocean?

Questions

Which form of dancing features charaters from the Robin Hood stories,along with Bavian the fool, Malkin the Clown and a hobby horse?

what is the meaning of the word ballet?

Which ballet dancers 1998 autobiography was entitled Life in Dance?

Which was the last ballet directed by Rudolf Nureyev in 1992?

What is a bayadere?