Maria Callas was an Italian-American soprano who is considered one of the greatest opera singers of all time. She was known for her vocal power, dramatic interpretations, and wide range.

Joan Sutherland was an Australian soprano who was renowned for her flawless technique, beautiful tone, and ability to sing high notes with ease.

Renata Tebaldi was an Italian soprano who was known for her exceptional vocal abilities and was often referred to as 'La Divina' (The Divine One).

Montserrat Caballé was a Spanish soprano who was known for her powerful voice, dramatic interpretations, and wide vocal range.

Leontyne Price was an American soprano who was the first African-American to sing leading roles at the Metropolitan Opera. She was known for her powerful voice and dramatic interpretations.

Luciano Pavarotti was an Italian tenor who was known for his soaring high notes, passionate performances, and popular appeal.

Plácido Domingo is a Spanish tenor who is known for his powerful voice, charismatic stage presence, and long career.

José Carreras is a Catalan tenor who is known for his beautiful voice, elegant interpretations, and successful crossover career.

Alfredo Kraus was a Spanish tenor who was known for his lyric voice, refined interpretations, and long career.

Tito Gobbi was an Italian baritone who was known for his powerful voice, dramatic interpretations, and wide range.

Ettore Bastianini was an Italian baritone who was known for his beautiful voice, elegant interpretations, and successful career.

Giuseppe Taddei was an Italian baritone who was known for his powerful voice, dramatic performances, and long career.

Leonard Warren was an American baritone who was known for his beautiful voice, elegant interpretations, and successful career.

Marilyn Horne was an American mezzo-soprano who was known for her powerful voice, dramatic performances, and wide vocal range.

Marilyn Horne was an American mezzo-soprano who was known for her beautiful voice, elegant interpretations, and successful career.