The second half started without me. I was in the green room, tearing out pages from the “Phantom of the Opera” book because I didn’t want the audience to see it when I walked out. Suddenly, I heard applause. “They’re gonna tune, right?” I asked one of the musicians backstage. “No, they’re tuned. Daniel’s out there. You don’t play on this one, right?” Little problem. I was supposed to start the second half. Neither shoe was on. The greenroom was backstage left. I had to