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 of a double bill with fellow Yorkshire rockers Def Leppard. In 2009, Whitesnake toured with Judas Priest on the "British Steel" 30th Anniversary Tour. On 11 August 2009, Whitesnake was playing a show at Red Rocks Amphitheatre in Morrison, Colorado, when Coverdale suffered some kind of vocal injury. After seeing a specialist, it was announced on 12 August 2009 that Coverdale had been suffering from severe vocal fold edema and a left vocal fold vascular lesion. The remainder of the tour with Judas Priest was cancelled so that this injury would not worsen. In early February 2010, David Coverdale