Prosecutors said Live Nation and Ticketmaster 'illegally used monopoly power to help themselves' during opening statements of the antitrust case.

The Justice Department lawsuit says the concert giant acts as a monopoly in the music industry, a charge the company denies.

The Justice Department and dozens of states attacked Live Nation Entertainment Inc. and its Ticketmaster subsidiary over allegations that the company illegally monopolized much of the market for live ...

On Tuesday opening statements will begin for the federal antitrust trial against Live Nation, one of the largest entertainment companies in the world.

Lawyers for the government, plus dozens of states and the District of Columbia, describe Live Nation as an illegal monopoly that drives up ticket prices for fans.