David Coverdale to replace Ian Gillan. Coverdale had fronted a local group called The Government, which had played with Deep Purple on the same bill in 1969, so he and the band were familiar with one another, and after sending a tape and later auditioning, Coverdale was admitted into the band, with bassist Glenn Hughes adding his own vocals as well. In February 1974, Deep Purple released their first album with Coverdale and Hughes titled "Burn" which was certified Gold in the US on 20 March 1974 and in the UK on 1 July. In April 1974, Coverdale and Deep Purple performed
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