He rose from a midlevel position at Columbia Records to become one of music’s most powerful executives, shepherding stars like Barry Manilow and Whitney Houston.

A jury found that the concert giant operated as a monopoly, a verdict that could have major reverberations in the music industry.

In a verdict that could have far-reaching consequences in the music industry, the live colossus that includes Ticketmaster was found to have violated antitrust laws.