Info from Wikipedia
Metro (originally the Stages Music Hall and then known as Cabaret Metro before the name was shortened to "Metro") is a concert hall in Chicago, Illinois, United States, that plays host to a variety of local, regional and national emerging bands and musicians. The Metro was first opened in 1982. The capacity is 1,100, divided between the main floor and the balcony. The building housing Metro also houses Smart Bar underneath the main venue.