"I want to keep my voice young, with nothing heavy"

Renee Fleming is expressing her desire to keep her vocal youthfulness. She wishes to prevent anything that could weigh her voice down and make it sound older. This might be interpreted as a metaphor for avoiding anything that could be a concern or a barrier to her vocal performance. She wishes to keep her voice light and agile, devoid of any sort of pressure or stress. This might also be analyzed as a desire to keep away from anything that could be emotionally or psychologically challenging. By keeping her voice young, she is expressing her desire to keep away from anything that might be a concern or a limitation to her vocal efficiency. She wants to keep her voice light and agile, free from any kind of strain or stress. This might also be interpreted as a desire to keep away from anything that could be mentally or psychologically difficult. By keeping her voice young, she is revealing her desire to stay concentrated on her craft and to stay passionate about her art. She wishes to keep her voice vibrant and full of life, and to prevent anything that might weigh it down.