Johnson Acoustic Guitar Signed by Kid RockNotes Signed on pickguard by Kid Rock, though no certificate of authenticity was provided. I figure, who's going to lie about getting Kid Rock's autograph, right? A Johnson Acoustic Guitar Signed by Kid Rock in Very Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is