Circle II Circle is an American heavy metal band from Tampa, Florida. The band was formed by former Savatage lead vocalist, Zachary Stevens, in 2001. They play varied genres of metal including; heavy metal, power metal and progressive metal. For a period of eight years from 1992 until August 2000, Zachary Stevens was the mere infallible lead singer of power metal legends Savatage. His huge vocal range, controlled crafts and thrilling energy guaranteed splendid gigs night after night, every single show worthy of a live album.