Ian Gillan adding the then-seldom played "Maybe I'm a Leo" (named after Gillan's birth sign) and "When a Blind Man Cries" – the latter becoming a mainstay in the band's setlist ever since. He said that their first album with Morse, "Purpendicular", "was a such important record for Deep Purple that without that [other records] couldn't have been possible." He has remained Purple's lead singer, though the band has found more success touring than with producing records. Gillan pays particular interest to the lyrics in Deep Purple, and considers it his prime composing role within the band. Discussing the importance of lyrics,
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.