Joan Sutherland was an incredible opera coloratura soprano singer. Although she is classified as a coloratura soprano her voice was very hard to categorize. When she began her career her voice was described as “fresh” and “bell-like” a very bright youthful sound. However, over time her voice darkened and she developed into a coloratura. Her vocal range was from G6 to F6 and she had a very big round sound even at her highest notes. She was also known for her perfectly onset staccatos. Her tonal quality