During a Pollstar panel, Irving Azoff, James Dolan and Garth Brooks called on the touring business to compel Congress to do something about ticket brokers.
Politicians are gunning for Live Nation with the threat of a new DOJ probe.
The company's modest gains outperformed competitors and major indexes.
Live Nation president and CFO Joe Berchtold will detail how disruption caused by bots makes ticket-buying worse for everyone, calling for government action.
The Senate Judiciary Committee will convene for a hearing focused on "promoting competition and protecting consumers in live entertainment."
"The competition problem in ticketing markets was made painfully obvious" last week, writes Sen. Amy Klobuchar.