Its a sound that rejuvenates the body. Hearing the pitter patter can change one's beliefs from non belief to strong belief, and such has occurred. In a short sense, the pitter patter sounds similar to the great music of the Sirens. Back before the common era, these beautiful but strangely rambunctious creatures were known as pitterpatterpattypables. Now, due to increased abilities to pinpoint noise detection, and thus the pitter patter was created. In the deepest sorrow for mankind, cats pitter patter to suffice the calming need of cancer. But, to truly answer your question, I must say the pitter patter sounds most closely to the orgasm of your dream girl. Something beautiful, something powerful, moving, but yet remorseful. Goodbye, young man and I hope your love for cats lead you to a life full of pussy.