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
Graham Bonnet UK glam-rock band Sweet to replace Brian Connolly. However, he was chosen by Ritchie Blackmore to replace Ronnie James Dio as the vocalist of hard rock band Rainbow. This was something of a musical departure for Bonnet, who had previously identified himself more as an R&B singer. Bonnet would later credit his time in Rainbow, and his collaboration with Blackmore in particular as changing fundamentally his musical outlook to a more hard rock focus. He sang on the "Down to Earth" LP, which would become his most successful album. It spawned two hit singles in 1979 and 1980: "Since You