>you sound like you're trying to write The Handbook on How To
>Have a Successful Rap Career on Independent or Major Labels
>and Gain Long Term Recognition. that's a herculean task,
>probably not even possible (every career is unique), maybe not
>even worthwhile (what would be the aim/outcome? to
>scientifically explain why 2Pac or Eminem is the most
>successful of all time?)