Girding itself for scrutiny by Congress and regulators over anti-competitive concerns, Live Nation Entertainment has retained prominent antitrust attorney-turned-lobbyist Seth Bloom.

Bloom worked for 14 years on the U.S. Senate Judiciary Committee's antitrust subcommittee and was its general counsel before founding Bloom Strategic Counsel in 2013. Bloom declined to comment, and the company did not respond to a request for comment.