Giuseppe Verdi’s Il trovatore of 1853 is based on Antonio García Gutiérrez’s play El trovador. Set in fifteenth century Spain it tells of the noble lady Leonora who is in love with the troubadour Manrico, but is herself loved by the Count di Luna, a nobleman in the service of the Prince of Aragon. The Count’s younger brother Garzia supposedly died in infancy when a gypsy was burnt at the stakefor allegedly bewitching him, and the charred body of a baby was...