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Topic: Sonic Bids

Guggenheim Digital Media Buys Remaining Stake in Backstage, Sonic Bids John Amato to run new division

Guggenheim Digital Media announced that it has acquired the stake it didn’t own in Backstage and Sonic Bids and combined them with Billboard to create a larger Billboard Group. John Amato,…

April 18, 2013, 9:40 AM EDT