Juan Carlos Fernández, also known as Guonka, is DJ/Producer/Audio Engineer hailing from San Jose, Costa Rica, currently residing in London, United Kingdom. His main styles consist of heavy bass sounds such as Dubstep, Drum & Bass, House, to even Techno. His latest EP features six compelling tracks. 'Dopamine' is a combination of uplifting melodies, chopped jazz vocals, 808 & Dubstep drops.'Psychopathy' features melancholic UK Garage with really weird samples. 'Serotonin' is a Future Bass track combined with Dubstep/Trap. 'Gangster' is rooted in Old School Dubstep. while 'Arizona is a Chilled Downtempo track. Rounding out the EP is a collaboration between Guonka and Oviedos entiled 'Sibu'', which is Old School Dubstep with a tribal twist.