A few weeks back at the first weekend of Coachella, I walked about 80,000 steps, or 33 miles, over three days. At Stagecoach, with fewer stages and artists — and a conscious decision to “take it easy” — I walked a more manageable 16,000 steps per day, a bit over seven miles. Still, I was fighting rising heat, toxic dust clouds, and noisy hotel neighbors keeping me up half the night. Sure, most people don’t go as hard as someone working at a music festival...