Shazam has introduced an all-new version of its music tagging and discovery application for the iPhone and iPod touch, calling Shazam Encore, which is available now at the App Store.The app offers a host of additional features but costs a one-off £2.99/ €3.99/$4.99. The company’s existing free app will also remain available, the company said, confirming 10 million downloads of that app so far.“Since our launch on the App Store, Shazam has achieved a huge following with iPhone and iPod touch users and is now one of the most popular music apps in the world,” said Andrew Fisher, CEO of Shazam. “ Shazam Encore is faster at identifying tracks than the free app and also off