In the year since Adam and Andrew Ranes opened Casselman's Bar & Venue, it's gone from a 9,000-square-foot space with a lot of potential to an outstanding, multi-use venue that's equally inviting whether it's being used for live music or corporate events. While the back room, which was a distribution warehouse for the May Company in the '40s and '50s, used to sound a bit boomy, a new sound system has done wonders for the place. So has the talent-buying team of Caddy Cadwell and Samantha Hanson, who are gradually ramping up the caliber of national acts coming to Casselman's.