As one-third of the hitmaking production squad Daseca (Sean Paul’s “We Be Burnin,” Mavado’s “Real McKoy”, Tony Matterhorn’s “Dutty Whine”), Serani has quietly defined the sound of dancehall music over the last several years. Now, the triple-threat singer/producer/musician—think Pharrell with a Jamaican accent— is poised to become the next artist to represent Jamaica to the world, with a style that’s as in tune with R&B and pop as it is reggae.