Bless the broken road that brings Rascal Flatts to Halifax’s biggest venue—it wouldn’t be a summer if there wasn’t a big-name, twangy country concert to take in. The Ohio-born band has sold a whopping 22.5 million records, and earned over 40 music awards in its 16 years together. For the Halifax stop of its Rhythm & Roots tour, Jason Blaine warms up the stage. —AS