Theatre people, with their trembling at the title of Shakespeare’s Scottish Play, aren’t the only superstitious ones in the bunch. “There’s even a bad-luck equivalent to Macbeth – Verdi’s La forza del destino, a great, eventful, melody-rich work…. It’s hard to pinpoint where the reputation for trouble started, but a lot of opera types refer to Forza and bad luck in the same breath as if it were a firmly established fact.”