One Vice At A Time (Ltd) (Ogv)Why does an MC go from preaching a positive, uplifting message of African American pride to celebrating drugs and promiscuity? Why does a serious jazz saxophonist suddenly give up hard bop and start emulating Kenny G? And why does a gutsy, risk taking alternative country artist end up playing it safe and turning into yet another Shania Twain or Garth Brooks clone? It's simple the artist gets sick of struggling, takes a look at the marketplace and