Subscription music streamer audio will launch a ree ad supported service later this year with the help of Cumulus, a broadcast radio group that also owns syndicater Westwood one. Cumulus acquired a major stake in Radio last year and announced the new initiate during and earnings call. Rdio has been slowly adding more free content to stay competitive. Now select content controlled by Cumulus including local and syndicated shows, as well as NCAA and Olympic broadcasts, will be added to an expanded free Rdio offering The deal, which reportedly included $75 million in Cumulus marketing in exchange for a 20%...

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