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 performing to pursue various unsuccessful business ventures. These included a £300,000 investment in a hotel near Oxford. A second was the Mantis Motor Cycles project, which suffered from the collapse of the British motorcycle industry in the mid-1970s, culminating in Gillan being forced to file for liquidation. A more successful opportunity, however, came with his investment in Kingsway Studios in 1974, This led to a live performance at the Butterfly Ball on 16 October 1974, replacing Ronnie James Dio at the last minute. In 1975, Gillan formed the Ian Gillan Band with guitarist Ray Fenwick, keyboardist Mike Moran, quickly replaced