There's a sign inside of Mt. Pleasant church space turned alternative venue La Casa that reads "Capacity: 74 people." It's a picture that, if juxtaposed with the number of music lovers actually crammed into the place to check out U.S. Royalty at a benefit for victims of a neighborhood apartment fire last month, could've found itself a spot in The Onion. The crowd already knew that established acts like Kitty Hawk and Ra Ra Rasputin......