Hmm not sure who you met, but Kid Rock is at least 6'. Im 5'9 and he was quite a bit taller than I. I do some sub contracting for a sound and lighting company and am backstage at a lot of concerts. I met him and talked about 3 or 4 minutes. No way he is shorter than 6'.
http://www.google.com/search?client=...=Google+Search