Hip-hop is all about the beats and the flow. For two Rwandan artists, that flow sometimes comes in four languages... SUMMERS: ...French and English, Kinyarwanda and ...

Hip-hop is all about the beats and the flow. For two Rwandan artists, that flow sometimes comes in four languages... (SOUNDBITE OF SONG, "NSHAKA") PRO ZED: (Rapping in non-English language). SUMMERS: ...