I don't think he's trying to BE Plant, he just admires him and you can tell!! I know some of you on this board diss Adam because you don't like some of the theatrics of his voice and feel he is not a genuine rocker, but I think the he can sing and makes all of his performances memorable! He's just so different than alot of the past performers and it makes him stand out. Allison of course rocked and I don't understand why the judges were so harsh on her. And oh yes, they totally nailed their duet, waaayyy better then Kris and Danny, although I thought Danny sounded better on the duet, just as Simon said. I wasn't that impressed with Kris' performance and thought Danny gave it a good try, but you can tell they are NOT rockers, like Adam and Alison. I think Slash, Adam and Allison need to make a record together, right now!!!