David Coverdale recording "Slide It In" to re-form Deep Purple. (Ian Paice had left Whitesnake in 1982.) In 1985, Sykes and Coverdale started working on new songs for the next album, but Coverdale soon contracted a serious sinus infection that made recording close to impossible for much of 1986 and which had doctors thinking he might never sing again. Coverdale eventually recovered, and recordings were continued. But before their upcoming album was fully recorded and released, Coverdale had dismissed Sykes from the band. The split with Sykes was, reportedly, not amicable. In many period interviews, Coverdale stated that the next album was
David Coverdale part of a double bill with fellow Yorkshire rockers Def Leppard. In 2009, Whitesnake toured with Judas Priest on the "British Steel" 30th Anniversary Tour. On 11 August 2009, Whitesnake was playing a show at Red Rocks Amphitheatre in Morrison, Colorado, when Coverdale suffered some kind of vocal injury. After seeing a specialist, it was announced on 12 August 2009 that Coverdale had been suffering from severe vocal fold edema and a left vocal fold vascular lesion. The remainder of the tour with Judas Priest was cancelled so that this injury would not worsen. In early February 2010, David Coverdale