Misc: What is the UK's largest publicly funded building, constructed in the 1900's?

Questions

Category: Artist: Mirrors on the ceiling/Pink champagne on ice/We are all just prisoners here,?

Category: Artist: Oh the shark babe/Has such teeth, yeah/When he shows them/Pearly whites.?

Category: Artist: She's just 16 years old/Leave her alone/They said.?

Category: Artist: Somebody's out there/Somewhere/Waiting for someone to come their way.?

Category: Artist: Stay/With me/My love/I hope you'll always be/Right here by my side/?