whom you are hearing is Stevie Ray Vaughn. he recorded the album, but fell out with Bowie over $$$ and declined to do the tour.
this was before his later fame.
i (almost) saw him open for the Pretenders back in '84. as i entered the arena, there was this guitar player playing with his teeth and behind his back and between his legs and i'm wondering who the heck is THAT ?, as i stole glances while trying to find my seat. as soon as i get to my seat and plop down, the arena announcer says: "That was Stevie Ray Vaughn and Double Trouble !!!"
that's why i say i "almost" saw him. :P my thought at the time was, ah, so that's the Stevie Ray Vaughn everyone is talking about....followed quickly by:
eh. BRING ON THE 'TENDERS !!!!!!!!