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
Gary James Cregan & Co and London blues-rock act Bad Influence. He has performed live on stage with The Ian Gillan Band, Graham Bonnet, Don Airey, Mick Ralphs, Paul Young and made a guest appearance playing drums for UK the prog rock band Breathing Space. In the studio, as well as his extensive back catalogue with Thunder and Magnum, Harry has contributed to work by Don Airey, Russ Ballard, Shadowman (featuring FM's vocalist Steve Overland, Heartland's Steve Morris and Thunder's Chris Childs), Kate Aumonier, Carl Sentance, Bucket & Co and Hellfire Corner. Harry is backed by Pearl, Paiste, Pro-Mark and Protection Racket.