This is what NPR does on the market segment (Kai Rysdal?) The background music reflects the changes in the market over the day. Also, if you haven't read Dougl

This is what NPR does on the market segment (Kai Rysdal?) The background music reflects the changes in the market over the day. Also, if you haven't read Douglas Adam's "Dirk Gently's Holistic Detective Agency", there's a good subplot around this exact idea.