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 to over 200,000 fans on his first trip to the United States at California Jam. In December 1974 "Burn" was followed-up by "Stormbringer", which also ranked at Gold album status in the US and the UK. The funk and soul influences of the previous record were even more prominent here, and this was one of the reasons why guitarist Ritchie Blackmore left the band in June 1975. Rather than disbanding, Coverdale was instrumental in persuading the band to continue with American guitarist Tommy Bolin (of Billy Cobham and The James Gang fame). As Jon Lord put it, "David Coverdale came