The UK-based startup songkick will probably get a big boost in terms of traffic. In order to make the search results more attractive yahoo is going to integrate the gig-listings API of Songkick. This means that if you search for Eminem, you are going to so links to Songkick where you can look at Eminems next gigs in your area. The cooperation will start with the US-version of Yahoo first. This will lead Songkick to a growing user-base in the United States.