Answer:
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
Squeeze me and I cry tears as red as my flesh but my heart is made of stone.
What has four wheels and flies?
I always have to work with something in my eye. What am I?
Everyone in the world needs me. They generously give me but never take me. What am I?
Mountains will crumble and temples will fall. And no man can survive its endless call.