We've been seeing plenty of evidence that streaming music services like Spotify, Pandora and Rdio are pulling in more folks than ever, and we now also have a good idea of how that growth is affecting the bottom lines of music labels. In its third quarter earnings report, Warner Music Group revealed that streaming services now account for a full 25 percent of the digital revenue for its recorded music group. As AllThingsD reports, that translates to 8 percent of Warner Music's total revenue for the quarter, or about $54 million in all. What's more, that growth in streaming
