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
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