Ian Gillan and disliked live albums in general. He tended to go into the studio after the rest of the band had recorded and finished the backing tracks, particularly for "Who Do We Think We Are", to lay down his vocals separately. He had been continually at loggerheads with Blackmore, disagreeing about music regularly, which culminated in Gillan writing "Smooth Dancer" about him. While on tour in Dayton, Ohio, he sat down and wrote a resignation letter to the band's managers, stating he intended to leave the band, effective from 30 June 1973. After his departure from Deep Purple, Gillan retired from
David Coverdale part, the problem had been the comparison to Robert Plant who had fronted Led Zeppelin, as vocalist, with Jimmy Page. Some of their audience criticised Coverdale, feeling he was merely a Plant clone; Plant himself referred to the team-up as ‘David Cover-version’. Others felt the short-lived collaboration only served to inspire Page to once again hook up with Plant, a year later. In 1994 Coverdale assembled a new line-up of Whitesnake (with the exception of Coverdale's musical partner, guitarist Adrian Vandenberg and bassist Rudy Sarzo, both of whom had been in Whitesnake since 1987) to tour for the release of