Misc: Who Sang Lead Vocals For Mud?

Questions

Pink Floyd song: "You say the hill's too steep to climb"?

Pink Floyd: Besides drums, what else does Nick Mason collect?

Pink Floyd: David Gilmour's solo albums were self titled and this name.?

Pink Floyd: The "gang" in The Wall was symbolized by what tools?

Pink Floyd: This farmyard animal is closley associated with Pink Floyd.?