Who is Raven haired Puccini heroine?

The raven-haired Puccini heroine is Tosca, the title character in Giacomo Puccini's opera Tosca (1900), based on the 1887 play La Tosca by Victorien Sardou. Tosca is a passionate and jealous opera singer who becomes embroiled in a political struggle in Rome during the Napoleonic era.