TT, Dominica team up on Dwivayèz riddim Friday 19 February 2021 ProducerDlo, left, Tevin Hartman and Savion Beats talk on the soca-inspired Dwivayèz riddim which features Hartman, and other collaborations with Caribbean artistes. - WITH his contribution Overproof, Trinidadian artist Tevin Hartman has joined a list of young, notable Dominican acts on the soca-inspired Dwivayèz Riddim produced by ProducerDlo (Dylan Lowe) and Savion Beats (Savion Augustine), both from Dominica. Hartman, who was connected to Dlo through fellow Trini and 2020 Groovy Soca Monarch winner College Boy Jesse, says he was drawn to the combination of tones and instruments in the production.