“What have you learned?” Bent Knee guitarist Ben Levin asked me on the final night of the Thank You Scientist / Bent Knee tour. I hadn’t approached this journey as an educational experience, but, as a high school teacher, I’m grateful that Ben requested I reflect. What have I learned? Let’s go back to the beginning. Having summers off and no kids to feed, my wife Kristy and I are always traveling. When New Jersey jazz fusion prog-rockers Thank You Scientist announced a June tour with Boston-based art rock sextet Bent Knee, I knew exactly how I wanted to spend…