its a trick in the question he wrote
guns and roses
He was nervous because he could hear the beating of the heart of the man under the floor and it was driving him crazy so he had to stop the beating
I believe it is the end of a frame, so four beats is complete
Answer: have a good Christmas. Hope a tree does not fall on you or a light blinds you or Santa becomes too fat and get get the presents down you chimney or you have a fire and he burns to death. Have a jolly Christmas:)