Therefore you spend more money in restaurants, for the full story click here. You spend less when you hear Britney Spears, although you still spend more than when you hear no music. And how about Led Zeppelin? Co-blogger Alex noted not long ago that German music makes shoppers buy German wines, and French music makes shoppers buy French wines.
Here is a link to the original research, also connecting you to a variety of other pieces on music and psychology. Music also makes you more willing to wait in line. And people like pop music more, the more attractive the singer.