In "Collecting Cash 2", the audio revolves around the theme of acquiring money, more specifically in the form of coins. The distinct sound of coins clinking together, being picked up, and dropped is a recurring theme. If you listen closely, you might also hear the rustle of paper currency. The audio creates an atmosphere of constant movement, akin to someone continually collecting and handling cash. It's a fascinating blend of sounds that invoke images of wealth, accumulation, and perhaps even a bit of greed. There's a sense of urgency and delight in the collection, creating a vivid auditory experience.