A convict on death row woke up the morning of his execution.
A prison guard came to get him.
Some time passed, and the convict started a conversation.
The convict: Could I please have a final wish?
The guard: That depends on what your wish is. What is your wish?
The convict: I would like to sing a song.
The guard: That shouldn't be a problem. How could we deny you your final song?!? Please go ahead.
The convict: A billion bottles of beer on the wall, a billion bottles of beer...