Vocal chops are a staple of the "best" Project Rai packs. FL Studio’s Edison plugin is legendary for slicing, pitch-shifting, and stretching audio. You can drag a Startimes acapella directly into Edison, use "Region → Chop into Regions," and have a melodic sequence ready in minutes.
(or Startimes) expansion packs and rhythms used for creating professional Rai tracks. Overview of Rai Production in FL Studio project rai fl studio startimes best