During 1987 and 1988, North America was finally won over, with the multi-platinum self-titled Whitesnake album, co-written for the most part with now-departed Sykes, but including guitar virtuoso Adrian Vandenberg, as a session musician. The sound is demonstrated in the recordings accompanying the application. a recording of the trademark which can be played back on media which is easily and commonly accessible. With SNCF, for instance, they found that 92% of listeners can correctly identify the audio brand in testing — “and that 88% of these listeners correctly identified the brand upon hearing just two notes. Sykes brought a more contemporary, aggressive guitar sound with him and had stage manners to match. For Whitesnake’s 1980 album, Ready an’ Willing, drummer Ian Paice also joined the group.