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
John Lawton (musician) Roger Glover's "Butterfly Ball" live at the Royal Albert Hall in 1975, featuring David Coverdale, Glenn Hughes, Ian Gillan and Twiggy. He sang on Eddie Hardin's "Wizard's Convention II" with Chris Farlowe, Denny Laine, Paul Jones and Tony Ashton. Lawton worked with some of the finest record producers, including Tony Clarke (Moody Blues), Jimmy Miller (Rolling Stones), and Harold Faltermeyer (Pet Shop Boys), who produced the titles Lawton sang on the Lenny McDowell Project "Lost Paradise". Lawton sang with German rock band Rebel, later known as Zar, on three albums, during the late '80s -'90s including their hit singles "Line