Best known as lead singer of Badlands, Ray Gillen had a cup of coffee with Black Sabbath. He replaced the drugged and drunk Glenn Hughes then got booted from the band after he finished vocals on the Eternal Idol. Tony Martin was brought in to replace him and he rerecorded the album's vocals. To this date, Gillen's version has not been officially released. Gilledn died of AIDS in the mid 90s.