Sandi Patty (born July 12, 1956 in Oklahoma City, Oklahoma), known as "The Voice" is an American Contemporary Christian music singer. She is renowned for her impeccable musicality and the breadth of her voice, once described as "nuclear powered" both in terms of its range and flexibility. According to the FAQ section on her website, the name on her birth certificate is Sandra Patty. A printer's error on the labeling listed her name as Sandi Patti