Opera is one of the oldest and most well-respected forms of music in the world. And within opera, there are some singers who are considered to be the greatest of all time. Here are our top 5 picks: 1. Luciano Pavarotti: One of the most popular opera singers of all time, Luciano Pavarotti was known for his incredible vocal range and power. He was able to sing both high and low notes with ease, and his voice was truly unique. He had a long career, appearing in some of the most famous operas, and he also gave many concerts and recitals. He was truly a legendary figure in the world of opera. 2. Maria Callas: Another one of the all-time greats, Maria Callas was known for her expressive voice and dramatic stage presence. She was often considered to be one of the most passionate opera singers, and she was able to convey a wide range of emotions through her singing. She had a very successful career, appearing in some of the most famous operas, and she also gave many concerts and recitals. 3. Enrico Caruso: A legendary figure in the world of opera, Enrico Caruso was known for his beautiful voice and impeccable technique. He was one of the most popular opera singers of all time, and he had a long and successful career. He appeared in some of the most famous operas, and he also gave many concerts and recitals. 4. Joan Sutherland: One of the greatest sopranos of all time, Joan Sutherland was known for her beautiful voice and impeccable technique. She had a long and successful career, appearing in some of the most famous operas, and she also gave many concerts and recitals. 5. Placido Domingo: One of the most popular opera singers of all time, Placido Domingo is known for his versatility and incredible vocal range. He has appeared in some of the most famous operas, and he has also given many concerts and recitals. He is truly a legendary figure in the world of opera.