Ian Gillan band, who had not had any holiday since their initial rehearsals at Hanwell. He started drinking, and relationships between him and the rest of the band became strained, particularly with Blackmore. On 6 November 1971, he collapsed with hepatitis while waiting to board a plane in Chicago, cancelling the remainder of a US tour. By December 1972, having recorded "Machine Head", "Made in Japan" and the yet to be released "Who Do We Think We Are" with Deep Purple, Gillan finally decided the workload had driven him to exhaustion. Unlike some band members, he was unhappy about "Made in Japan",
Born Again (Black Sabbath album) in the UK charts. The album also hit the top 40 in the United States. Following the departure of vocalist Ronnie James Dio and drummer Vinny Appice in 1982, Sabbath's future was in doubt. The band switched management to Don Arden (Sharon Osbourne's father) and he suggested Ian Gillan as the new vocalist. "That band was put together on paper," guitarist Tony Iommi revealed in the 1992 documentary "Black Sabbath: 1978–1992". "We'd never rehearsed." The band had considered vocalists such as Robert Plant and David Coverdale before settling on Gillan. They even received an audition tape from the then-unknown Michael