Every summer, the Bank of New Hampshire Pavilion packs in large crowds for musicians who run the gamut from country’s Chris Stapleton to heavy metal’s Slayer to KIDZ Bop, for the family. The innovative outdoor venue isn’t just providing folks with a few hours of entertainment, though. It’s pumping nearly $20 million a year into the local economy. Michael Seymour, the chief operating officer and chief financial officer for the venue formerly known as Meadowbrook, said more tha