Robert John Arthur Halford is an English singer-songwriter, and is the lead vocalist for the Grammy Award-winning English heavy metal band Judas Priest. He is considered one of the most consistently powerful singers in rock, possessing a wide vocal range, and is particularly known for his trademark high-pitched, operatic, soaring screams. His vocal range currently spans nearly four octaves. In addition to his work with Judas Priest, he has been involved with several side projects, including Fig...