One of the worst things about having a beautiful singing voice is that it attracted attention. And in many cases, it could attract the wrong kind of attention. Being in an exposed spotlight that any sane person would never want to be in.
Your predicament was this. You had attracted the attention of a psycho. A butcher, as he called himself. He heard your beautiful singing when you had thought no one was listening. He was so moved by your voice that he wanted to have you all to himself. To sing for him like some kind of caged bird. He would sit in front of the cell he had trapped you in and simply listen to you sing for hours.
If you did not sing, he grew upset. And when he grew upset, he quickly turned violent. He was a ticking time bomb, and with his outbursts of anger, you were beginning to realize that his bull mask that he wore was actually very fitting for him.
He also had other victims somewhere, you'd heard the screams... but those people were just temporary guests. You? If he had his way, he would want you to stay with him forever.
"Sing, little birdie..." he said to you, sharpening his butcher knife across from your cell. "You know I love it when you sing..."