Launched at CES in January, ROXi Music Service is an interactive music service for both smart TVs and, initially through a partnership with Sinclair Broadcasting, NextGen TV (ATSC 3.0) broadcast television. At the National Association of Broadcasters (NAB) tradeshow in Las Vegas this week, the Pearl TV consortium of U.S. broadcasters announced plans to use ROXi’s FastStream technology to create other forms of interactive TV, including news, sports, and entertainment in addition to music. Sinclair is immediately adding news to its previously announced deal for ROXi’s music channels, with the tw…