Kevin ADG and Chan El Genio, sought-after producers in Medellín since the mid-‘10s, concoct tantalizing reggaetón grooves for the likes of Maluma, who became the first soloist to sing in Spanish at 2018’s VMAs with “Felices los 4.” Via their elegant, EDM-tinged alchemy, The Rudeboyz push Latin pop’s biggest names: They stitched out arresting, graceful beats for fellow Colombian Shakira’s heavy-rotation smashes, like “Trap” and “Chantaje.”