Answer:
I am a rock group with four members. All dead one was assassinated.
You throw me away, I find my way back. Traditionally, I'm wooden with an arch in my back. What am I?
I sit in a corner while travelling around the world.
I am the beginning of the end and the end of time and space. I am essential to creation and I surround every place.
At night I come without being fetched, and by day I am lost without being stolen. What am I?
The warmer I am the fresher I am.