Pamela Moore. Visually, she is a very captivating woman. Her voice is one of many layers and textures. If you're a fan of rock and metal, there's a good chance that you have heard her voice before, even if the name is not familiar. Queensryche fans, as well as many in the metal world, know her as Suite Sister Mary. She traveled with the band bringing life and death to the character from the band's Operation: Mindcrime works. Well, she is back in a major way and is about to unveil a new chapter in her on-going musical novel.