Irving Azoff, chief executive of Tickemaster, says that critics of the Ticketmaster / LiveNation merger, do not understand that benefits. He claims that the merger would lead to greater efficiencies that would benefit artists and consumers. The merger is being investigated by the Department of Justice, since Obama “vowed to put some spine back in antitrust investigations” after the Sirius XM Satellite Radio merger in 2007. Both horizontal and vertical integration impacts of the merger are discussed in the article.