music: what song by don mclean talks about the day buddy holly died?

Questions

which planet in our solar system orbits closest to the sun?

which drug is used in medicine to dilate the pupils of the eyes?

which 'brothers' had a hit with, 'the sun ain't gonna shine anymore'?

who is the director father of madonna's son, rocco?

which gland, situated at the base of the skull regulates growth and metabolism?