youre mostly right. the articles are in the DCp archives, I even attended the court hearings.
the show was usually DCA/DCI. it had been a handshake arrangement for years, and for the summer of 05, boom a Beyonce date came open and HERco booted the show. no handshake agreement for tops 7k paid will beat what she'd bring i. HERCo tried the public "we'll put her in the arena" PR move, then tried to jack up fees to use the stadium. the show promoters lost in court because there was nothing on paper. It did shed a big spotlight on how HERCO operated, and many groups they did handshakes for soon changed their business practices, bot except for maybe one YEA run show, since 2006 no drum corps shows have been held there.
Funny thing is the guy who dicked over 5 Star Brass became one of the management team for the Rochester stadium the following year. Maybe he's why it's the mess it's been