First of all the light bulb really has to want to change.
How many flies does it take to screw in a light bulb? Two but how do you get them in the light bulb?
How many lead singers does it take to change a light bulb? One, he hold the light bulb and the whole room revolves around him.
Why does it take so many weight lifters does it take to change a light bulb? You need one to change the light bulb and the rest to stand there saying "looking huge".
Rocky