In 1983 , manager Don Arden invited Gillan to join Tony Iommi , Geezer Butler and Bill Ward , all founding members of Black Sabbath , to form a supergroup . Although the band had reservations , on 6 April 1983 , it was formally announced that Gillan had replaced Ronnie James Dio in Black Sabbath . The group recorded the album '' Born Again '' at the Manor Studios in Oxfordshire . Citing health problems , Ward decided not to accompany the others during the subsequent tour , and was replaced by Bev Bevan
tour
Born Again Tour 1983
Ian Gillan