Rainbow (rock band) King", and "Sensitive to Light". Former Widowmaker bassist Bob Daisley was hired to record these tracks, completing the band's next line-up. After the release and extensive world tour in 1977–78, Blackmore decided that he wanted to take the band in a new commercial direction away from the "sword and sorcery" theme. Dio did not agree with this change and left Rainbow. Blackmore asked Ian Gillan, also formerly of Deep Purple, to replace Dio, but Gillan turned him down. After a series of auditions, Graham Bonnet, former singer/guitarist of The Marbles, was recruited. Powell stayed, but Daisley and Stone were both
Ian Gillan and Barnacle were quickly replaced by Bernie Tormé and by former Episode Six bandmate Mick Underwood, after Gillan saw Torme playing with his punk trio. This band had a more high-powered hard rock sound, and the release of "Mr. Universe" in October 1979 saw Ian Gillan back in the UK charts, although the independent record company the album came out on – Acrobat Records – folded soon after the album was released, prompting a contract with Richard Branson's Virgin Records. In Christmas 1979, Gillan was visited by Blackmore, who offered him the position of lead vocalist in Rainbow. Gillan declined