I first became aware of The Steel Wheels somewhere around 2008. I had picked up a CD of the Shenandoah Valley-based band on one of our Thanksgiving trips to Staunton and was introduced to and intrigued by the unique voice and careful songcraft of lead singer and songwriter Trent Wagler. But it was at Merlefest in 2012 that the band pushed their way into the front part of my brain, and, I suspect, the brains of thousands of other music fans as well. After one of the main acts wrapped up their show, as I wrote at the time, a number of attendees were exiting the main stage area on the first night of the festival. Suddenly, The Steel Wheels began singing their powerful Rain in the Valley on a small side stage. And like bees flowing to honey, those leaving stopped, turned around, and were glued to their seats through a spirited 30-minute set. As expected, later TSW shows throughout the weekend were packed, as word spread fast. And just like that, they quickly …