The Echo Nest, better known as the creature behind the Spotify Radio curtain, is teaming up with Twitter for a pilot program to integrate tweets into music apps of all ages and descriptions. The company has applied its artist extraction technology to Twitter's Verified Accounts in order to identify artists whose Twitter handles are now part of its Rosetta Stone service. The tie-up allows developers to include artists' Verified Account handles and tweets within music apps; for example, app developer can include tweets from a currently-playing artist alongside music, lyrics, bl