I rather title this post: What do have in common water drops from a shower and an ebow alone, on top of an acoustic guitar... in the next room... with the door closed??? Too long for a title, isn't it?
Well, anyway. The answer is of course: A microphone! Check the results athttp://quiltsuns.blogspot.com/2010/07/turbulences-16.html
Can you tell what should you do with the same elements in time and space?