Answer:
Travel a mile and I will change, travel a million and I will end as I started. What am I?
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I am a rock group with four members all of whom died in plane crashes. Who am I?
I am filled with garb the price is free. Just return what you don't need.
Lovely and round I shine with pale light grown in the darkness a lady's delight.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.