Puccini’s “Tosca” had its debut on Jan. 14, 1900. Since then it has been an instant classic, one of the staples of the operatic repertoire. All of the world’s greatest sopranos have taken their respective cracks at the role with Maria Callas, Renata Tebaldi, Leontyne Price and Eva Marton among some of the many popular exponents of the role. And {…}