Answer:
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
What loses its head in the morning but gets it back at night?
What goes through towns and over hills but never moves?
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead. What am I?
I am a rock group with four members. All dead one was assassinated.