Georges Bizet was a French composer best known for his OPERA 'CARMEN', which is a six-letter word in the crossword. He also composed the five-letter word 'Leila' and the four-letter word 'ARIA'. His works are mainly operas, which is another five-letter word in the crossword. The last word is 'Etre', which is a four-letter word meaning 'to be' in French. Bizet's works are still performed today and he is considered one of the most influential composers of the 19th century.