The crossword solutions for the term NORMA AND 'TOSCA' are OPERAS, which are two of the most famous and beloved operas in the world. Norma is an opera composed by Vincenzo Bellini with a libretto by Felice Romani, first performed in 1831. Tosca is an opera composed by Giacomo Puccini with a libretto by Luigi Illica and Giuseppe Giacosa, first performed in 1900. Both operas have been performed countless times since their premieres and remain popular to this day.