Dark Side of the Moon - What Was Your Contribution?

I came up with the clock's idea for time because I'd previously recorded the clocks in an antique shop, not far from the studios. The loop on money was quite painstakingly assembled. We amassed a number of sounds like dropping a bag of coins on the wooden floor and tearing up paper. And we made these continuous loops, but they sounded,. the first couple of loops we tried sounded terrible, there was no sort of rhythm to it. They literally just played to that loop. Although it faded out soon after the intro, then went freeform.