Answer:
What goes up but never goes down?
If you need a night out, call one of these over to take the little ones off your hands for a while.
You could do this to a motion, see it on a watch, or place this in a race.
Spies and detectives do this to phones and musical shoes make this sound.
What hangs in the sky by day but at night goes away?
I am a rock group with four members. All dead one was assassinated.