 However, after pressure from his American record label Warner Bros. Records, Iommi was forced to credit "Seventh Star" to "Black Sabbath featuring Tony Iommi" upon its release in January 1986.Returning on the Seventh Star Tour under the original moniker, the band were forced into another change of vocalist on 26 March 1986, when Hughes suffered an injury in a fight with manager John Downey which left him unable to sing.He was replaced by Ray Gillen, who debuted on 29 March.