We are always interpreting something from the past. That’s the enchantment My Piano Concerto, “The World of Yesterday,” began with an email during one of the darker days of the pandemic: would I like to write a score for a movie about a concert pianist writing a piano concerto? As I looked at my concert diary, blank but for Zoom calls, it seemed like a wonderful way to keep busy. I’d never wanted to write a piano concerto (how to begin?) but the characters and outline of this film gave me a