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
Gillan (band) then accepted an offer to front Black Sabbath to the incredulity of the Gillan band members, particularly McCoy, and the acrimony remains to the present day. McCoy subsequently released compilations of studio out-takes to which he had the rights, known as "The Gillan Tapes", and ensured that revenues were distributed fairly amongst the band. Bernie Tormé and John McCoy collaborated on the GMT band project, releasing two albums in 2006 and 2009. According to at least one interview, Gillan did not have nodes removed as British doctors recommended, as he was afraid that would adversely affect his voice. A German