Article Contributed by Rebecca McDevitt Some songs ask you to feel something. Others just make you feel it before you even realize what's happening. "Medicina", the Spanish-language collaboration between artist Dav Julca and DJ and producer Deleasa, falls firmly into the second category, and that's entirely the point. The track operates like a prescription. The title means exactly what it says: La vibra esta divina, las bocinas siempre arriba, and the energy is coming to rech