KINGSTON, Jamaica—Magnum Tonic Wine concluded its Ultimate Dancehall Experience promotion with an authentic experience at Boom Sundays for the promotions winners. Held in Grants Pen, the event was an explosion of sound and energy, with patrons and artistes alike vibing to the pulsating rhythms that define the dancehall genre. Boom Sundays was an unforgettable spectacle that gave the winners a true taste of dancehall culture in its purest form. Having…