The Grande was a seriously cool, badass spot for live music from 1966 to 1972 and it was in Detroit. The rest of the country was touting peace and love. At the Grande, they came to something else completely.
It's easy to understand why the citizens of Detroit may feel offended by the large amount of attention that is paid to their abandoned factories, stores and homes. It must seem like there are people coming from all over the globe to trade on a city's agony.