Related:

• How many female opera singers -- does it take to change a light bulb?
  None. If they sing loudly enough they'll break it....
• How many classical music singers -- does it take to change a light bulb?
  None - "Impossible. The altitude may put unnecessary strain on my vocal chords....
• How many second violinists -- does it take to change a light bulb?
  None, they don't get up that high....
• How many women -- does it take to change a light bulb?
  None, they all get electrocuted trying to excite the socket....
• How many surgeons -- does it take to change a light bulb?
  None. They would wait for a suitable donor and do a filament transplant....
• How many Marxists -- does it take to change a light bulb?
  None, the seeds of revolution and change are within the light bulb itself....
• How many supply-siders -- does it take to change a light bulb?
  None. The darkness will cause the light bulb to change by itself....
• How many gnomes -- does it take to change a light light bulb?
  None. The light bulb keeps blowing up....
• How many hookers -- does it take to screw in a light bulb?
  None - they get screwed - they don't usually do the screwing....