I don't think so eminem keeps his rap/hip hop beefs on wax.
Eminem was at a Rap Olympics and won second place so Dr.Dre heard about him and contacted him.
Eminem can't properly be labeled a hardcore or a gangster rapper. Personally I think he could be considered a Balanced Rapper, because he exhibits different styles in different songs, and does it...
youtube.com/watch?v=YjHUEQPqKdceverything here!
Not only the best WHITE rapper, but the best rapper alive or dead.