 Popular rappers such as 50 Cent and Ja Rule add a slight melody to their otherwise purely percussive raps whereas some rappers such as Cee-Lo Green are able to harmonize their raps with the beat.The Midwestern group Bone Thugs-n-Harmony was one of the first groups to achieve nationwide recognition for using the fast-paced, melodic and harmonic raps that are also practiced by Do or Die, another Midwestern group.Another rapper that harmonized his rhymes was Nate Dogg, a rapper part of the group 213.