Gillan (band) doctor diagnosed infected, enlarged tonsils with nodes on them, and Gillan had a history of that. He had a complete tonsillectomy instead, which also removed the nodes on the tonsils. Prior to surgery, he asked the German doctor if the surgery would affect his voice. The doctor said "Yes it will make it better, since the sound was having to come around the tonsils before then". Gillan (band) Gillan was a rock band formed in 1978 by Deep Purple vocalist Ian Gillan. Gillan was one of the hard rock bands to make a significant impact and commercial success in the
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.