- Wolfgang Amadeus Mozart (1756-1791) is widely considered one of the greatest composers in history. He composed over 600 works, including 22 operas, such as "The Marriage of Figaro", "Don Giovanni", and "The Magic Flute".
- Giuseppe Verdi (1813-1901) was a renowned Italian opera composer of the 19th century. He composed 28 operas, including "Rigoletto", "La traviata", and "Aida".
- Giacomo Puccini (1858-1924) was an Italian composer known for his operas that combine powerful melodies with dramatic storytelling. His famous works include "La bohème", "Tosca", and "Madama Butterfly".
- Richard Wagner (1813-1883) was a German composer, director, and conductor of the Romantic period. He composed 13 operas, including the monumental four-opera cycle "Der Ring des Nibelungen" (The Ring of the Nibelung).
- George Frideric Handel (1685-1759) was a German-born British composer of the Baroque era. He is known for his operas such as "Giulio Cesare", "Rinaldo", and "Messiah".
- Gioachino Rossini (1792-1868) was an Italian composer of the Bel Canto period. He composed over 40 operas, including "The Barber of Seville" and "William Tell".
- Christoph Willibald Gluck (1714-1787) was an Austrian composer who played a significant role in reforming the opera genre. His famous operas include "Orfeo ed Euridice" and "Alceste".
- Hector Berlioz (1803-1869) was a French composer of the Romantic period. His most famous opera is "Les Troyens" (The Trojans).