First Amendment and Trade Secrets Issues In Government/Private Promoters' Live Events

Many local governments operate live event venues. Unlike dealing with private venues, concert promoters and producers might bring First Amendment free speech claims against government-controlled event facilities over how a local government chooses which promoters/producers with which to work. There's also the issue of whether the governmental authority or a private promoter owns ticket subscriber information that the private promoter generates through its live events work at a government-controlled venue.