There are concerts, and then there are moments in time that become part of who you are. The sold-out Triumph and April Wine show at the Michigan Lottery Amphitheatre at Freedom Hill was one of those moments. The day was perfect for a road trip and a concert. The kind of Michigan day that reminds you why summer concert season is sacred. As we pulled into the parking lot, I couldn’t help but smile. Everywhere I looked were waves of gray hair. Gen X had arrived, with a light dus